Home / 743,372.80-1,025,803.92-403,833.76

Finding the Fourth Proportional to 743,372.80, 1,025,803.92 and 403,833.76

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Solution

The fourth proportional to 743,372.80, 1,025,803.92 and 403,833.76 is: 557,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,372.80 : 1,025,803.92 = 403,833.76 : x
  2. Step 2: Convert to fraction form
    743,372.80/1,025,803.92 = 403,833.76/x
  3. Step 3: Cross multiply
    743,372.80x = 1,025,803.92 × 403,833.76
  4. Step 4: Simplify right side
    743,372.80x = 414,254,254,036.34
  5. Step 5: Solve for x
    x = 414,254,254,036.34/743,372.80
  6. Step 6: Final answer
    x = 557,263.13

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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.