Home / 932,486.93-1,398,899.51-385,380.26

Finding the Fourth Proportional to 932,486.93, 1,398,899.51 and 385,380.26

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Solution

The fourth proportional to 932,486.93, 1,398,899.51 and 385,380.26 is: 578,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,486.93 : 1,398,899.51 = 385,380.26 : x
  2. Step 2: Convert to fraction form
    932,486.93/1,398,899.51 = 385,380.26/x
  3. Step 3: Cross multiply
    932,486.93x = 1,398,899.51 × 385,380.26
  4. Step 4: Simplify right side
    932,486.93x = 539,108,252,880.68
  5. Step 5: Solve for x
    x = 539,108,252,880.68/932,486.93
  6. Step 6: Final answer
    x = 578,140.28

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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.