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Finding the Fourth Proportional to 659,612.16, 910,262.88 and 357,805.44

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Solution

The fourth proportional to 659,612.16, 910,262.88 and 357,805.44 is: 493,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,612.16 : 910,262.88 = 357,805.44 : x
  2. Step 2: Convert to fraction form
    659,612.16/910,262.88 = 357,805.44/x
  3. Step 3: Cross multiply
    659,612.16x = 910,262.88 × 357,805.44
  4. Step 4: Simplify right side
    659,612.16x = 325,697,010,294.07
  5. Step 5: Solve for x
    x = 325,697,010,294.07/659,612.16
  6. Step 6: Final answer
    x = 493,770.48

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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.