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Finding the Fourth Proportional to 999,473.52, 1,499,210.28 and 289,501.80

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Solution

The fourth proportional to 999,473.52, 1,499,210.28 and 289,501.80 is: 434,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,473.52 : 1,499,210.28 = 289,501.80 : x
  2. Step 2: Convert to fraction form
    999,473.52/1,499,210.28 = 289,501.80/x
  3. Step 3: Cross multiply
    999,473.52x = 1,499,210.28 × 289,501.80
  4. Step 4: Simplify right side
    999,473.52x = 434,024,074,638.50
  5. Step 5: Solve for x
    x = 434,024,074,638.50/999,473.52
  6. Step 6: Final answer
    x = 434,252.70

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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.