Home / 1,089,698.50-1,634,547.75-301,730.50

Finding the Fourth Proportional to 1,089,698.50, 1,634,547.75 and 301,730.50

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Solution

The fourth proportional to 1,089,698.50, 1,634,547.75 and 301,730.50 is: 452,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,698.50 : 1,634,547.75 = 301,730.50 : x
  2. Step 2: Convert to fraction form
    1,089,698.50/1,634,547.75 = 301,730.50/x
  3. Step 3: Cross multiply
    1,089,698.50x = 1,634,547.75 × 301,730.50
  4. Step 4: Simplify right side
    1,089,698.50x = 493,192,909,881.38
  5. Step 5: Solve for x
    x = 493,192,909,881.38/1,089,698.50
  6. Step 6: Final answer
    x = 452,595.75

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.