Home / 838,588.80-1,257,364.80-483,427.20

Finding the Fourth Proportional to 838,588.80, 1,257,364.80 and 483,427.20

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Solution

The fourth proportional to 838,588.80, 1,257,364.80 and 483,427.20 is: 724,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,588.80 : 1,257,364.80 = 483,427.20 : x
  2. Step 2: Convert to fraction form
    838,588.80/1,257,364.80 = 483,427.20/x
  3. Step 3: Cross multiply
    838,588.80x = 1,257,364.80 × 483,427.20
  4. Step 4: Simplify right side
    838,588.80x = 607,844,344,642.56
  5. Step 5: Solve for x
    x = 607,844,344,642.56/838,588.80
  6. Step 6: Final answer
    x = 724,841.95

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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.