Home / 766,248.23-1,057,346.85-426,748.07

Finding the Fourth Proportional to 766,248.23, 1,057,346.85 and 426,748.07

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Solution

The fourth proportional to 766,248.23, 1,057,346.85 and 426,748.07 is: 588,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,248.23 : 1,057,346.85 = 426,748.07 : x
  2. Step 2: Convert to fraction form
    766,248.23/1,057,346.85 = 426,748.07/x
  3. Step 3: Cross multiply
    766,248.23x = 1,057,346.85 × 426,748.07
  4. Step 4: Simplify right side
    766,248.23x = 451,220,722,271.35
  5. Step 5: Solve for x
    x = 451,220,722,271.35/766,248.23
  6. Step 6: Final answer
    x = 588,870.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.