Home / 810,341.88-1,118,426.52-534,215.24

Finding the Fourth Proportional to 810,341.88, 1,118,426.52 and 534,215.24

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Solution

The fourth proportional to 810,341.88, 1,118,426.52 and 534,215.24 is: 737,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,341.88 : 1,118,426.52 = 534,215.24 : x
  2. Step 2: Convert to fraction form
    810,341.88/1,118,426.52 = 534,215.24/x
  3. Step 3: Cross multiply
    810,341.88x = 1,118,426.52 × 534,215.24
  4. Step 4: Simplify right side
    810,341.88x = 597,480,491,804.17
  5. Step 5: Solve for x
    x = 597,480,491,804.17/810,341.88
  6. Step 6: Final answer
    x = 737,319.03

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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.