Home / 749,943.77-1,034,921.73-423,325.52

Finding the Fourth Proportional to 749,943.77, 1,034,921.73 and 423,325.52

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Solution

The fourth proportional to 749,943.77, 1,034,921.73 and 423,325.52 is: 584,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,943.77 : 1,034,921.73 = 423,325.52 : x
  2. Step 2: Convert to fraction form
    749,943.77/1,034,921.73 = 423,325.52/x
  3. Step 3: Cross multiply
    749,943.77x = 1,034,921.73 × 423,325.52
  4. Step 4: Simplify right side
    749,943.77x = 438,108,779,511.55
  5. Step 5: Solve for x
    x = 438,108,779,511.55/749,943.77
  6. Step 6: Final answer
    x = 584,188.84

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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.