Home / 951,283.20-1,426,924.80-390,028.80

Finding the Fourth Proportional to 951,283.20, 1,426,924.80 and 390,028.80

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Solution

The fourth proportional to 951,283.20, 1,426,924.80 and 390,028.80 is: 585,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,283.20 : 1,426,924.80 = 390,028.80 : x
  2. Step 2: Convert to fraction form
    951,283.20/1,426,924.80 = 390,028.80/x
  3. Step 3: Cross multiply
    951,283.20x = 1,426,924.80 × 390,028.80
  4. Step 4: Simplify right side
    951,283.20x = 556,541,767,434.24
  5. Step 5: Solve for x
    x = 556,541,767,434.24/951,283.20
  6. Step 6: Final answer
    x = 585,043.20

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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.