Home / 900,167.20-1,242,206.16-497,745.44

Finding the Fourth Proportional to 900,167.20, 1,242,206.16 and 497,745.44

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Solution

The fourth proportional to 900,167.20, 1,242,206.16 and 497,745.44 is: 686,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,167.20 : 1,242,206.16 = 497,745.44 : x
  2. Step 2: Convert to fraction form
    900,167.20/1,242,206.16 = 497,745.44/x
  3. Step 3: Cross multiply
    900,167.20x = 1,242,206.16 × 497,745.44
  4. Step 4: Simplify right side
    900,167.20x = 618,302,451,679.91
  5. Step 5: Solve for x
    x = 618,302,451,679.91/900,167.20
  6. Step 6: Final answer
    x = 686,875.12

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1.5x scale

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.