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Finding the Fourth Proportional to 478,545.63, 717,943.05 and 179,049.63

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Solution

The fourth proportional to 478,545.63, 717,943.05 and 179,049.63 is: 268,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,545.63 : 717,943.05 = 179,049.63 : x
  2. Step 2: Convert to fraction form
    478,545.63/717,943.05 = 179,049.63/x
  3. Step 3: Cross multiply
    478,545.63x = 717,943.05 × 179,049.63
  4. Step 4: Simplify right side
    478,545.63x = 128,547,437,463.57
  5. Step 5: Solve for x
    x = 128,547,437,463.57/478,545.63
  6. Step 6: Final answer
    x = 268,621.07

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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.