Home / 918,578.10-1,267,565.98-510,655.10

Finding the Fourth Proportional to 918,578.10, 1,267,565.98 and 510,655.10

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Solution

The fourth proportional to 918,578.10, 1,267,565.98 and 510,655.10 is: 704,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,578.10 : 1,267,565.98 = 510,655.10 : x
  2. Step 2: Convert to fraction form
    918,578.10/1,267,565.98 = 510,655.10/x
  3. Step 3: Cross multiply
    918,578.10x = 1,267,565.98 × 510,655.10
  4. Step 4: Simplify right side
    918,578.10x = 647,289,034,881.76
  5. Step 5: Solve for x
    x = 647,289,034,881.76/918,578.10
  6. Step 6: Final answer
    x = 704,664.13

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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.