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Finding the Fourth Proportional to 602,002.70, 903,004.05 and 546,890.30

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Solution

The fourth proportional to 602,002.70, 903,004.05 and 546,890.30 is: 820,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,002.70 : 903,004.05 = 546,890.30 : x
  2. Step 2: Convert to fraction form
    602,002.70/903,004.05 = 546,890.30/x
  3. Step 3: Cross multiply
    602,002.70x = 903,004.05 × 546,890.30
  4. Step 4: Simplify right side
    602,002.70x = 493,844,155,805.72
  5. Step 5: Solve for x
    x = 493,844,155,805.72/602,002.70
  6. Step 6: Final answer
    x = 820,335.45

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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.