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Finding the Fourth Proportional to 498,334.20, 747,501.30 and 456,343.80

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Solution

The fourth proportional to 498,334.20, 747,501.30 and 456,343.80 is: 684,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,334.20 : 747,501.30 = 456,343.80 : x
  2. Step 2: Convert to fraction form
    498,334.20/747,501.30 = 456,343.80/x
  3. Step 3: Cross multiply
    498,334.20x = 747,501.30 × 456,343.80
  4. Step 4: Simplify right side
    498,334.20x = 341,117,583,746.94
  5. Step 5: Solve for x
    x = 341,117,583,746.94/498,334.20
  6. Step 6: Final answer
    x = 684,515.70

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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.