Home / 382,417.48-571,947.18-340,592.20

Finding the Fourth Proportional to 382,417.48, 571,947.18 and 340,592.20

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Solution

The fourth proportional to 382,417.48, 571,947.18 and 340,592.20 is: 509,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,417.48 : 571,947.18 = 340,592.20 : x
  2. Step 2: Convert to fraction form
    382,417.48/571,947.18 = 340,592.20/x
  3. Step 3: Cross multiply
    382,417.48x = 571,947.18 × 340,592.20
  4. Step 4: Simplify right side
    382,417.48x = 194,800,748,320.00
  5. Step 5: Solve for x
    x = 194,800,748,320.00/382,417.48
  6. Step 6: Final answer
    x = 509,392.90

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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.