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Finding the Fourth Proportional to 608,002.60, 912,003.90 and 525,058.60

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Solution

The fourth proportional to 608,002.60, 912,003.90 and 525,058.60 is: 787,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,002.60 : 912,003.90 = 525,058.60 : x
  2. Step 2: Convert to fraction form
    608,002.60/912,003.90 = 525,058.60/x
  3. Step 3: Cross multiply
    608,002.60x = 912,003.90 × 525,058.60
  4. Step 4: Simplify right side
    608,002.60x = 478,855,490,928.54
  5. Step 5: Solve for x
    x = 478,855,490,928.54/608,002.60
  6. Step 6: Final answer
    x = 787,587.90

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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.