Home / 754,666.80-1,133,312.40-400,372.80

Finding the Fourth Proportional to 754,666.80, 1,133,312.40 and 400,372.80

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Solution

The fourth proportional to 754,666.80, 1,133,312.40 and 400,372.80 is: 601,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,666.80 : 1,133,312.40 = 400,372.80 : x
  2. Step 2: Convert to fraction form
    754,666.80/1,133,312.40 = 400,372.80/x
  3. Step 3: Cross multiply
    754,666.80x = 1,133,312.40 × 400,372.80
  4. Step 4: Simplify right side
    754,666.80x = 453,747,458,862.72
  5. Step 5: Solve for x
    x = 453,747,458,862.72/754,666.80
  6. Step 6: Final answer
    x = 601,255.36

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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.