Home / 450,498.30-621,681.85-246,545.56

Finding the Fourth Proportional to 450,498.30, 621,681.85 and 246,545.56

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Solution

The fourth proportional to 450,498.30, 621,681.85 and 246,545.56 is: 340,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,498.30 : 621,681.85 = 246,545.56 : x
  2. Step 2: Convert to fraction form
    450,498.30/621,681.85 = 246,545.56/x
  3. Step 3: Cross multiply
    450,498.30x = 621,681.85 × 246,545.56
  4. Step 4: Simplify right side
    450,498.30x = 153,272,899,850.09
  5. Step 5: Solve for x
    x = 153,272,899,850.09/450,498.30
  6. Step 6: Final answer
    x = 340,229.70

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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.