Home / 824,395.40-1,236,738.90-292,225.40

Finding the Fourth Proportional to 824,395.40, 1,236,738.90 and 292,225.40

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Solution

The fourth proportional to 824,395.40, 1,236,738.90 and 292,225.40 is: 438,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,395.40 : 1,236,738.90 = 292,225.40 : x
  2. Step 2: Convert to fraction form
    824,395.40/1,236,738.90 = 292,225.40/x
  3. Step 3: Cross multiply
    824,395.40x = 1,236,738.90 × 292,225.40
  4. Step 4: Simplify right side
    824,395.40x = 361,406,519,748.06
  5. Step 5: Solve for x
    x = 361,406,519,748.06/824,395.40
  6. Step 6: Final answer
    x = 438,389.78

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1.5x scale

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.