Home / 856,534.32-1,283,945.76-572,464.08

Finding the Fourth Proportional to 856,534.32, 1,283,945.76 and 572,464.08

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Solution

The fourth proportional to 856,534.32, 1,283,945.76 and 572,464.08 is: 858,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,534.32 : 1,283,945.76 = 572,464.08 : x
  2. Step 2: Convert to fraction form
    856,534.32/1,283,945.76 = 572,464.08/x
  3. Step 3: Cross multiply
    856,534.32x = 1,283,945.76 × 572,464.08
  4. Step 4: Simplify right side
    856,534.32x = 735,012,828,268.30
  5. Step 5: Solve for x
    x = 735,012,828,268.30/856,534.32
  6. Step 6: Final answer
    x = 858,124.20

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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.