Home / 754,342.80-1,132,826.40-400,048.80

Finding the Fourth Proportional to 754,342.80, 1,132,826.40 and 400,048.80

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Solution

The fourth proportional to 754,342.80, 1,132,826.40 and 400,048.80 is: 600,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,342.80 : 1,132,826.40 = 400,048.80 : x
  2. Step 2: Convert to fraction form
    754,342.80/1,132,826.40 = 400,048.80/x
  3. Step 3: Cross multiply
    754,342.80x = 1,132,826.40 × 400,048.80
  4. Step 4: Simplify right side
    754,342.80x = 453,185,841,928.32
  5. Step 5: Solve for x
    x = 453,185,841,928.32/754,342.80
  6. Step 6: Final answer
    x = 600,769.10

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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.