Home / 439,226.90-658,840.35-434,561.30

Finding the Fourth Proportional to 439,226.90, 658,840.35 and 434,561.30

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Solution

The fourth proportional to 439,226.90, 658,840.35 and 434,561.30 is: 651,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,226.90 : 658,840.35 = 434,561.30 : x
  2. Step 2: Convert to fraction form
    439,226.90/658,840.35 = 434,561.30/x
  3. Step 3: Cross multiply
    439,226.90x = 658,840.35 × 434,561.30
  4. Step 4: Simplify right side
    439,226.90x = 286,306,518,988.46
  5. Step 5: Solve for x
    x = 286,306,518,988.46/439,226.90
  6. Step 6: Final answer
    x = 651,841.95

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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.