Home / 779,555.39-1,169,335.95-239,807.93

Finding the Fourth Proportional to 779,555.39, 1,169,335.95 and 239,807.93

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Solution

The fourth proportional to 779,555.39, 1,169,335.95 and 239,807.93 is: 359,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,555.39 : 1,169,335.95 = 239,807.93 : x
  2. Step 2: Convert to fraction form
    779,555.39/1,169,335.95 = 239,807.93/x
  3. Step 3: Cross multiply
    779,555.39x = 1,169,335.95 × 239,807.93
  4. Step 4: Simplify right side
    779,555.39x = 280,416,027,797.40
  5. Step 5: Solve for x
    x = 280,416,027,797.40/779,555.39
  6. Step 6: Final answer
    x = 359,712.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.