Home / 520,947.04-718,911.20-282,483.04

Finding the Fourth Proportional to 520,947.04, 718,911.20 and 282,483.04

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Solution

The fourth proportional to 520,947.04, 718,911.20 and 282,483.04 is: 389,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,947.04 : 718,911.20 = 282,483.04 : x
  2. Step 2: Convert to fraction form
    520,947.04/718,911.20 = 282,483.04/x
  3. Step 3: Cross multiply
    520,947.04x = 718,911.20 × 282,483.04
  4. Step 4: Simplify right side
    520,947.04x = 203,080,221,266.05
  5. Step 5: Solve for x
    x = 203,080,221,266.05/520,947.04
  6. Step 6: Final answer
    x = 389,828.92

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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.