Home / 1,077,494.09-1,616,249.21-478,294.16

Finding the Fourth Proportional to 1,077,494.09, 1,616,249.21 and 478,294.16

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Solution

The fourth proportional to 1,077,494.09, 1,616,249.21 and 478,294.16 is: 717,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,494.09 : 1,616,249.21 = 478,294.16 : x
  2. Step 2: Convert to fraction form
    1,077,494.09/1,616,249.21 = 478,294.16/x
  3. Step 3: Cross multiply
    1,077,494.09x = 1,616,249.21 × 478,294.16
  4. Step 4: Simplify right side
    1,077,494.09x = 773,042,547,774.90
  5. Step 5: Solve for x
    x = 773,042,547,774.90/1,077,494.09
  6. Step 6: Final answer
    x = 717,444.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.