Home / 762,724-1,048,826.64-661,947.04

Finding the Fourth Proportional to 762,724, 1,048,826.64 and 661,947.04

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Solution

The fourth proportional to 762,724, 1,048,826.64 and 661,947.04 is: 910,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,724 : 1,048,826.64 = 661,947.04 : x
  2. Step 2: Convert to fraction form
    762,724/1,048,826.64 = 661,947.04/x
  3. Step 3: Cross multiply
    762,724x = 1,048,826.64 × 661,947.04
  4. Step 4: Simplify right side
    762,724x = 694,267,689,821.15
  5. Step 5: Solve for x
    x = 694,267,689,821.15/762,724
  6. Step 6: Final answer
    x = 910,247.60

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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.