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Finding the Fourth Proportional to 584,794.13, 807,018.32 and 316,522.13

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Solution

The fourth proportional to 584,794.13, 807,018.32 and 316,522.13 is: 436,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,794.13 : 807,018.32 = 316,522.13 : x
  2. Step 2: Convert to fraction form
    584,794.13/807,018.32 = 316,522.13/x
  3. Step 3: Cross multiply
    584,794.13x = 807,018.32 × 316,522.13
  4. Step 4: Simplify right side
    584,794.13x = 255,439,154,351.64
  5. Step 5: Solve for x
    x = 255,439,154,351.64/584,794.13
  6. Step 6: Final answer
    x = 436,801.85

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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.