Home / 781,506.18-1,078,240.41-437,306.40

Finding the Fourth Proportional to 781,506.18, 1,078,240.41 and 437,306.40

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Solution

The fourth proportional to 781,506.18, 1,078,240.41 and 437,306.40 is: 603,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,506.18 : 1,078,240.41 = 437,306.40 : x
  2. Step 2: Convert to fraction form
    781,506.18/1,078,240.41 = 437,306.40/x
  3. Step 3: Cross multiply
    781,506.18x = 1,078,240.41 × 437,306.40
  4. Step 4: Simplify right side
    781,506.18x = 471,521,432,031.62
  5. Step 5: Solve for x
    x = 471,521,432,031.62/781,506.18
  6. Step 6: Final answer
    x = 603,349.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.