Home / 987,714.76-1,363,048.26-535,006.12

Finding the Fourth Proportional to 987,714.76, 1,363,048.26 and 535,006.12

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Solution

The fourth proportional to 987,714.76, 1,363,048.26 and 535,006.12 is: 738,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,714.76 : 1,363,048.26 = 535,006.12 : x
  2. Step 2: Convert to fraction form
    987,714.76/1,363,048.26 = 535,006.12/x
  3. Step 3: Cross multiply
    987,714.76x = 1,363,048.26 × 535,006.12
  4. Step 4: Simplify right side
    987,714.76x = 729,239,160,955.35
  5. Step 5: Solve for x
    x = 729,239,160,955.35/987,714.76
  6. Step 6: Final answer
    x = 738,309.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.