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Finding the Fourth Proportional to 658,337.40, 987,506.10 and 606,497.40

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Solution

The fourth proportional to 658,337.40, 987,506.10 and 606,497.40 is: 909,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,337.40 : 987,506.10 = 606,497.40 : x
  2. Step 2: Convert to fraction form
    658,337.40/987,506.10 = 606,497.40/x
  3. Step 3: Cross multiply
    658,337.40x = 987,506.10 × 606,497.40
  4. Step 4: Simplify right side
    658,337.40x = 598,919,882,134.14
  5. Step 5: Solve for x
    x = 598,919,882,134.14/658,337.40
  6. Step 6: Final answer
    x = 909,746.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.