Home / 838,545.39-1,157,206.68-475,980.44

Finding the Fourth Proportional to 838,545.39, 1,157,206.68 and 475,980.44

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Solution

The fourth proportional to 838,545.39, 1,157,206.68 and 475,980.44 is: 656,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,545.39 : 1,157,206.68 = 475,980.44 : x
  2. Step 2: Convert to fraction form
    838,545.39/1,157,206.68 = 475,980.44/x
  3. Step 3: Cross multiply
    838,545.39x = 1,157,206.68 × 475,980.44
  4. Step 4: Simplify right side
    838,545.39x = 550,807,738,931.31
  5. Step 5: Solve for x
    x = 550,807,738,931.31/838,545.39
  6. Step 6: Final answer
    x = 656,860.97

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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.