Home / 742,591.80-1,113,887.70-476,871.30

Finding the Fourth Proportional to 742,591.80, 1,113,887.70 and 476,871.30

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Solution

The fourth proportional to 742,591.80, 1,113,887.70 and 476,871.30 is: 715,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,591.80 : 1,113,887.70 = 476,871.30 : x
  2. Step 2: Convert to fraction form
    742,591.80/1,113,887.70 = 476,871.30/x
  3. Step 3: Cross multiply
    742,591.80x = 1,113,887.70 × 476,871.30
  4. Step 4: Simplify right side
    742,591.80x = 531,181,075,553.01
  5. Step 5: Solve for x
    x = 531,181,075,553.01/742,591.80
  6. Step 6: Final answer
    x = 715,306.95

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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.