Home / 927,060.84-1,390,663.14-278,586.40

Finding the Fourth Proportional to 927,060.84, 1,390,663.14 and 278,586.40

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Solution

The fourth proportional to 927,060.84, 1,390,663.14 and 278,586.40 is: 417,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,060.84 : 1,390,663.14 = 278,586.40 : x
  2. Step 2: Convert to fraction form
    927,060.84/1,390,663.14 = 278,586.40/x
  3. Step 3: Cross multiply
    927,060.84x = 1,390,663.14 × 278,586.40
  4. Step 4: Simplify right side
    927,060.84x = 387,419,837,785.30
  5. Step 5: Solve for x
    x = 387,419,837,785.30/927,060.84
  6. Step 6: Final answer
    x = 417,901.20

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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.