Home / 891,421.24-1,230,155.22-483,521.44

Finding the Fourth Proportional to 891,421.24, 1,230,155.22 and 483,521.44

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Solution

The fourth proportional to 891,421.24, 1,230,155.22 and 483,521.44 is: 667,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,421.24 : 1,230,155.22 = 483,521.44 : x
  2. Step 2: Convert to fraction form
    891,421.24/1,230,155.22 = 483,521.44/x
  3. Step 3: Cross multiply
    891,421.24x = 1,230,155.22 × 483,521.44
  4. Step 4: Simplify right side
    891,421.24x = 594,806,423,397.92
  5. Step 5: Solve for x
    x = 594,806,423,397.92/891,421.24
  6. Step 6: Final answer
    x = 667,256.28

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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.