Home / 418,509.45-577,545.35-246,434.85

Finding the Fourth Proportional to 418,509.45, 577,545.35 and 246,434.85

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Solution

The fourth proportional to 418,509.45, 577,545.35 and 246,434.85 is: 340,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,509.45 : 577,545.35 = 246,434.85 : x
  2. Step 2: Convert to fraction form
    418,509.45/577,545.35 = 246,434.85/x
  3. Step 3: Cross multiply
    418,509.45x = 577,545.35 × 246,434.85
  4. Step 4: Simplify right side
    418,509.45x = 142,327,300,463.27
  5. Step 5: Solve for x
    x = 142,327,300,463.27/418,509.45
  6. Step 6: Final answer
    x = 340,081.45

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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.