Home / 904,755.18-1,248,513.42-517,578.30

Finding the Fourth Proportional to 904,755.18, 1,248,513.42 and 517,578.30

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Solution

The fourth proportional to 904,755.18, 1,248,513.42 and 517,578.30 is: 714,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,755.18 : 1,248,513.42 = 517,578.30 : x
  2. Step 2: Convert to fraction form
    904,755.18/1,248,513.42 = 517,578.30/x
  3. Step 3: Cross multiply
    904,755.18x = 1,248,513.42 × 517,578.30
  4. Step 4: Simplify right side
    904,755.18x = 646,203,453,450.79
  5. Step 5: Solve for x
    x = 646,203,453,450.79/904,755.18
  6. Step 6: Final answer
    x = 714,230.18

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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.