Home / 834,488.05-1,151,740.94-490,323.91

Finding the Fourth Proportional to 834,488.05, 1,151,740.94 and 490,323.91

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Solution

The fourth proportional to 834,488.05, 1,151,740.94 and 490,323.91 is: 676,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,488.05 : 1,151,740.94 = 490,323.91 : x
  2. Step 2: Convert to fraction form
    834,488.05/1,151,740.94 = 490,323.91/x
  3. Step 3: Cross multiply
    834,488.05x = 1,151,740.94 × 490,323.91
  4. Step 4: Simplify right side
    834,488.05x = 564,726,119,354.33
  5. Step 5: Solve for x
    x = 564,726,119,354.33/834,488.05
  6. Step 6: Final answer
    x = 676,733.62

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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.