Home / 916,987.80-1,265,418.51-549,672.42

Finding the Fourth Proportional to 916,987.80, 1,265,418.51 and 549,672.42

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Solution

The fourth proportional to 916,987.80, 1,265,418.51 and 549,672.42 is: 758,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,987.80 : 1,265,418.51 = 549,672.42 : x
  2. Step 2: Convert to fraction form
    916,987.80/1,265,418.51 = 549,672.42/x
  3. Step 3: Cross multiply
    916,987.80x = 1,265,418.51 × 549,672.42
  4. Step 4: Simplify right side
    916,987.80x = 695,565,652,355.93
  5. Step 5: Solve for x
    x = 695,565,652,355.93/916,987.80
  6. Step 6: Final answer
    x = 758,533.16

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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.