Home / 755,313.02-1,042,345.26-411,158.85

Finding the Fourth Proportional to 755,313.02, 1,042,345.26 and 411,158.85

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Solution

The fourth proportional to 755,313.02, 1,042,345.26 and 411,158.85 is: 567,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,313.02 : 1,042,345.26 = 411,158.85 : x
  2. Step 2: Convert to fraction form
    755,313.02/1,042,345.26 = 411,158.85/x
  3. Step 3: Cross multiply
    755,313.02x = 1,042,345.26 × 411,158.85
  4. Step 4: Simplify right side
    755,313.02x = 428,569,478,404.55
  5. Step 5: Solve for x
    x = 428,569,478,404.55/755,313.02
  6. Step 6: Final answer
    x = 567,406.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.