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Finding the Fourth Proportional to 630,018.28, 944,898.54 and 180,618.76

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Solution

The fourth proportional to 630,018.28, 944,898.54 and 180,618.76 is: 270,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,018.28 : 944,898.54 = 180,618.76 : x
  2. Step 2: Convert to fraction form
    630,018.28/944,898.54 = 180,618.76/x
  3. Step 3: Cross multiply
    630,018.28x = 944,898.54 × 180,618.76
  4. Step 4: Simplify right side
    630,018.28x = 170,666,402,620.61
  5. Step 5: Solve for x
    x = 170,666,402,620.61/630,018.28
  6. Step 6: Final answer
    x = 270,891.19

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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.