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Finding the Fourth Proportional to 495,602.58, 683,918.28 and 291,665.52

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Solution

The fourth proportional to 495,602.58, 683,918.28 and 291,665.52 is: 402,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,602.58 : 683,918.28 = 291,665.52 : x
  2. Step 2: Convert to fraction form
    495,602.58/683,918.28 = 291,665.52/x
  3. Step 3: Cross multiply
    495,602.58x = 683,918.28 × 291,665.52
  4. Step 4: Simplify right side
    495,602.58x = 199,475,380,773.71
  5. Step 5: Solve for x
    x = 199,475,380,773.71/495,602.58
  6. Step 6: Final answer
    x = 402,490.60

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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.