Home / 748,159.53-1,030,285.56-649,997.39

Finding the Fourth Proportional to 748,159.53, 1,030,285.56 and 649,997.39

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Solution

The fourth proportional to 748,159.53, 1,030,285.56 and 649,997.39 is: 895,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,159.53 : 1,030,285.56 = 649,997.39 : x
  2. Step 2: Convert to fraction form
    748,159.53/1,030,285.56 = 649,997.39/x
  3. Step 3: Cross multiply
    748,159.53x = 1,030,285.56 × 649,997.39
  4. Step 4: Simplify right side
    748,159.53x = 669,682,922,854.34
  5. Step 5: Solve for x
    x = 669,682,922,854.34/748,159.53
  6. Step 6: Final answer
    x = 895,107.12

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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.