Home / 914,909.34-1,262,577.86-507,017.91

Finding the Fourth Proportional to 914,909.34, 1,262,577.86 and 507,017.91

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Solution

The fourth proportional to 914,909.34, 1,262,577.86 and 507,017.91 is: 699,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,909.34 : 1,262,577.86 = 507,017.91 : x
  2. Step 2: Convert to fraction form
    914,909.34/1,262,577.86 = 507,017.91/x
  3. Step 3: Cross multiply
    914,909.34x = 1,262,577.86 × 507,017.91
  4. Step 4: Simplify right side
    914,909.34x = 640,149,585,254.38
  5. Step 5: Solve for x
    x = 640,149,585,254.38/914,909.34
  6. Step 6: Final answer
    x = 699,686.36

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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.