Home / 746,001.42-1,119,113.28-266,191.80

Finding the Fourth Proportional to 746,001.42, 1,119,113.28 and 266,191.80

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Solution

The fourth proportional to 746,001.42, 1,119,113.28 and 266,191.80 is: 399,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,001.42 : 1,119,113.28 = 266,191.80 : x
  2. Step 2: Convert to fraction form
    746,001.42/1,119,113.28 = 266,191.80/x
  3. Step 3: Cross multiply
    746,001.42x = 1,119,113.28 × 266,191.80
  4. Step 4: Simplify right side
    746,001.42x = 297,898,778,407.10
  5. Step 5: Solve for x
    x = 297,898,778,407.10/746,001.42
  6. Step 6: Final answer
    x = 399,327.36

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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.