Home / 692,423.60-1,039,218.60-272,001.20

Finding the Fourth Proportional to 692,423.60, 1,039,218.60 and 272,001.20

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Solution

The fourth proportional to 692,423.60, 1,039,218.60 and 272,001.20 is: 408,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,423.60 : 1,039,218.60 = 272,001.20 : x
  2. Step 2: Convert to fraction form
    692,423.60/1,039,218.60 = 272,001.20/x
  3. Step 3: Cross multiply
    692,423.60x = 1,039,218.60 × 272,001.20
  4. Step 4: Simplify right side
    692,423.60x = 282,668,706,262.32
  5. Step 5: Solve for x
    x = 282,668,706,262.32/692,423.60
  6. Step 6: Final answer
    x = 408,230.90

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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.