Home / 756,990.81-1,044,612.18-434,473.92

Finding the Fourth Proportional to 756,990.81, 1,044,612.18 and 434,473.92

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Solution

The fourth proportional to 756,990.81, 1,044,612.18 and 434,473.92 is: 599,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,990.81 : 1,044,612.18 = 434,473.92 : x
  2. Step 2: Convert to fraction form
    756,990.81/1,044,612.18 = 434,473.92/x
  3. Step 3: Cross multiply
    756,990.81x = 1,044,612.18 × 434,473.92
  4. Step 4: Simplify right side
    756,990.81x = 453,856,748,724.35
  5. Step 5: Solve for x
    x = 453,856,748,724.35/756,990.81
  6. Step 6: Final answer
    x = 599,553.84

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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.