Home / 749,381.36-1,034,268.72-557,066.48

Finding the Fourth Proportional to 749,381.36, 1,034,268.72 and 557,066.48

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Solution

The fourth proportional to 749,381.36, 1,034,268.72 and 557,066.48 is: 768,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,381.36 : 1,034,268.72 = 557,066.48 : x
  2. Step 2: Convert to fraction form
    749,381.36/1,034,268.72 = 557,066.48/x
  3. Step 3: Cross multiply
    749,381.36x = 1,034,268.72 × 557,066.48
  4. Step 4: Simplify right side
    749,381.36x = 576,156,435,224.51
  5. Step 5: Solve for x
    x = 576,156,435,224.51/749,381.36
  6. Step 6: Final answer
    x = 768,842.76

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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.