Home / 758,423.60-1,046,629.98-418,891.85

Finding the Fourth Proportional to 758,423.60, 1,046,629.98 and 418,891.85

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Solution

The fourth proportional to 758,423.60, 1,046,629.98 and 418,891.85 is: 578,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,423.60 : 1,046,629.98 = 418,891.85 : x
  2. Step 2: Convert to fraction form
    758,423.60/1,046,629.98 = 418,891.85/x
  3. Step 3: Cross multiply
    758,423.60x = 1,046,629.98 × 418,891.85
  4. Step 4: Simplify right side
    758,423.60x = 438,424,763,354.51
  5. Step 5: Solve for x
    x = 438,424,763,354.51/758,423.60
  6. Step 6: Final answer
    x = 578,073.74

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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.