Home / 778,674.83-1,074,581.44-452,064.15

Finding the Fourth Proportional to 778,674.83, 1,074,581.44 and 452,064.15

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Solution

The fourth proportional to 778,674.83, 1,074,581.44 and 452,064.15 is: 623,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,674.83 : 1,074,581.44 = 452,064.15 : x
  2. Step 2: Convert to fraction form
    778,674.83/1,074,581.44 = 452,064.15/x
  3. Step 3: Cross multiply
    778,674.83x = 1,074,581.44 × 452,064.15
  4. Step 4: Simplify right side
    778,674.83x = 485,779,745,279.38
  5. Step 5: Solve for x
    x = 485,779,745,279.38/778,674.83
  6. Step 6: Final answer
    x = 623,854.43

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Double scale
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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.