Home / 779,973.72-1,169,960.88-281,337.72

Finding the Fourth Proportional to 779,973.72, 1,169,960.88 and 281,337.72

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Solution

The fourth proportional to 779,973.72, 1,169,960.88 and 281,337.72 is: 422,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,973.72 : 1,169,960.88 = 281,337.72 : x
  2. Step 2: Convert to fraction form
    779,973.72/1,169,960.88 = 281,337.72/x
  3. Step 3: Cross multiply
    779,973.72x = 1,169,960.88 × 281,337.72
  4. Step 4: Simplify right side
    779,973.72x = 329,154,126,468.39
  5. Step 5: Solve for x
    x = 329,154,126,468.39/779,973.72
  6. Step 6: Final answer
    x = 422,006.69

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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.