Home / 778,145.24-1,073,841.34-429,277.74

Finding the Fourth Proportional to 778,145.24, 1,073,841.34 and 429,277.74

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Solution

The fourth proportional to 778,145.24, 1,073,841.34 and 429,277.74 is: 592,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,145.24 : 1,073,841.34 = 429,277.74 : x
  2. Step 2: Convert to fraction form
    778,145.24/1,073,841.34 = 429,277.74/x
  3. Step 3: Cross multiply
    778,145.24x = 1,073,841.34 × 429,277.74
  4. Step 4: Simplify right side
    778,145.24x = 460,976,179,257.76
  5. Step 5: Solve for x
    x = 460,976,179,257.76/778,145.24
  6. Step 6: Final answer
    x = 592,403.78

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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.