Home / 889,513.74-1,334,565.86-290,494.44

Finding the Fourth Proportional to 889,513.74, 1,334,565.86 and 290,494.44

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Solution

The fourth proportional to 889,513.74, 1,334,565.86 and 290,494.44 is: 435,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,513.74 : 1,334,565.86 = 290,494.44 : x
  2. Step 2: Convert to fraction form
    889,513.74/1,334,565.86 = 290,494.44/x
  3. Step 3: Cross multiply
    889,513.74x = 1,334,565.86 × 290,494.44
  4. Step 4: Simplify right side
    889,513.74x = 387,683,960,691.35
  5. Step 5: Solve for x
    x = 387,683,960,691.35/889,513.74
  6. Step 6: Final answer
    x = 435,838.08

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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.