Home / 497,214.06-686,154.15-270,859.02

Finding the Fourth Proportional to 497,214.06, 686,154.15 and 270,859.02

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Solution

The fourth proportional to 497,214.06, 686,154.15 and 270,859.02 is: 373,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,214.06 : 686,154.15 = 270,859.02 : x
  2. Step 2: Convert to fraction form
    497,214.06/686,154.15 = 270,859.02/x
  3. Step 3: Cross multiply
    497,214.06x = 686,154.15 × 270,859.02
  4. Step 4: Simplify right side
    497,214.06x = 185,851,040,637.93
  5. Step 5: Solve for x
    x = 185,851,040,637.93/497,214.06
  6. Step 6: Final answer
    x = 373,784.77

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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.