Home / 723,079.61-997,848.14-396,392.04

Finding the Fourth Proportional to 723,079.61, 997,848.14 and 396,392.04

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Solution

The fourth proportional to 723,079.61, 997,848.14 and 396,392.04 is: 547,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,079.61 : 997,848.14 = 396,392.04 : x
  2. Step 2: Convert to fraction form
    723,079.61/997,848.14 = 396,392.04/x
  3. Step 3: Cross multiply
    723,079.61x = 997,848.14 × 396,392.04
  4. Step 4: Simplify right side
    723,079.61x = 395,539,060,360.92
  5. Step 5: Solve for x
    x = 395,539,060,360.92/723,079.61
  6. Step 6: Final answer
    x = 547,020.07

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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.