Home / 721,946.77-996,756.57-463,923.15

Finding the Fourth Proportional to 721,946.77, 996,756.57 and 463,923.15

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Solution

The fourth proportional to 721,946.77, 996,756.57 and 463,923.15 is: 640,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,946.77 : 996,756.57 = 463,923.15 : x
  2. Step 2: Convert to fraction form
    721,946.77/996,756.57 = 463,923.15/x
  3. Step 3: Cross multiply
    721,946.77x = 996,756.57 × 463,923.15
  4. Step 4: Simplify right side
    721,946.77x = 462,418,443,999.76
  5. Step 5: Solve for x
    x = 462,418,443,999.76/721,946.77
  6. Step 6: Final answer
    x = 640,515.98

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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.