Home / 743,366.56-1,025,840.16-403,837.20

Finding the Fourth Proportional to 743,366.56, 1,025,840.16 and 403,837.20

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Solution

The fourth proportional to 743,366.56, 1,025,840.16 and 403,837.20 is: 557,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,366.56 : 1,025,840.16 = 403,837.20 : x
  2. Step 2: Convert to fraction form
    743,366.56/1,025,840.16 = 403,837.20/x
  3. Step 3: Cross multiply
    743,366.56x = 1,025,840.16 × 403,837.20
  4. Step 4: Simplify right side
    743,366.56x = 414,272,417,861.95
  5. Step 5: Solve for x
    x = 414,272,417,861.95/743,366.56
  6. Step 6: Final answer
    x = 557,292.24

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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.