Home / 867,652.20-1,301,429.70-268,608.60

Finding the Fourth Proportional to 867,652.20, 1,301,429.70 and 268,608.60

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Solution

The fourth proportional to 867,652.20, 1,301,429.70 and 268,608.60 is: 402,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,652.20 : 1,301,429.70 = 268,608.60 : x
  2. Step 2: Convert to fraction form
    867,652.20/1,301,429.70 = 268,608.60/x
  3. Step 3: Cross multiply
    867,652.20x = 1,301,429.70 × 268,608.60
  4. Step 4: Simplify right side
    867,652.20x = 349,575,209,715.42
  5. Step 5: Solve for x
    x = 349,575,209,715.42/867,652.20
  6. Step 6: Final answer
    x = 402,897.85

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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.