Home / 865,698.40-1,298,547.60-546,833.80

Finding the Fourth Proportional to 865,698.40, 1,298,547.60 and 546,833.80

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Solution

The fourth proportional to 865,698.40, 1,298,547.60 and 546,833.80 is: 820,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,698.40 : 1,298,547.60 = 546,833.80 : x
  2. Step 2: Convert to fraction form
    865,698.40/1,298,547.60 = 546,833.80/x
  3. Step 3: Cross multiply
    865,698.40x = 1,298,547.60 × 546,833.80
  4. Step 4: Simplify right side
    865,698.40x = 710,089,718,588.88
  5. Step 5: Solve for x
    x = 710,089,718,588.88/865,698.40
  6. Step 6: Final answer
    x = 820,250.70

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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.