Home / 743,344.02-1,025,809.11-403,814.70

Finding the Fourth Proportional to 743,344.02, 1,025,809.11 and 403,814.70

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Solution

The fourth proportional to 743,344.02, 1,025,809.11 and 403,814.70 is: 557,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,344.02 : 1,025,809.11 = 403,814.70 : x
  2. Step 2: Convert to fraction form
    743,344.02/1,025,809.11 = 403,814.70/x
  3. Step 3: Cross multiply
    743,344.02x = 1,025,809.11 × 403,814.70
  4. Step 4: Simplify right side
    743,344.02x = 414,236,798,011.92
  5. Step 5: Solve for x
    x = 414,236,798,011.92/743,344.02
  6. Step 6: Final answer
    x = 557,261.22

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Double scale
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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.