Home / 912,273.40-1,368,701.70-313,618.60

Finding the Fourth Proportional to 912,273.40, 1,368,701.70 and 313,618.60

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Solution

The fourth proportional to 912,273.40, 1,368,701.70 and 313,618.60 is: 470,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,273.40 : 1,368,701.70 = 313,618.60 : x
  2. Step 2: Convert to fraction form
    912,273.40/1,368,701.70 = 313,618.60/x
  3. Step 3: Cross multiply
    912,273.40x = 1,368,701.70 × 313,618.60
  4. Step 4: Simplify right side
    912,273.40x = 429,250,310,971.62
  5. Step 5: Solve for x
    x = 429,250,310,971.62/912,273.40
  6. Step 6: Final answer
    x = 470,528.15

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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.