Home / 891,359.64-1,337,447.70-386,075.16

Finding the Fourth Proportional to 891,359.64, 1,337,447.70 and 386,075.16

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Solution

The fourth proportional to 891,359.64, 1,337,447.70 and 386,075.16 is: 579,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,359.64 : 1,337,447.70 = 386,075.16 : x
  2. Step 2: Convert to fraction form
    891,359.64/1,337,447.70 = 386,075.16/x
  3. Step 3: Cross multiply
    891,359.64x = 1,337,447.70 × 386,075.16
  4. Step 4: Simplify right side
    891,359.64x = 516,355,334,769.13
  5. Step 5: Solve for x
    x = 516,355,334,769.13/891,359.64
  6. Step 6: Final answer
    x = 579,289.56

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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.