Home / 910,281.48-1,365,422.90-311,247.15

Finding the Fourth Proportional to 910,281.48, 1,365,422.90 and 311,247.15

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Solution

The fourth proportional to 910,281.48, 1,365,422.90 and 311,247.15 is: 466,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,281.48 : 1,365,422.90 = 311,247.15 : x
  2. Step 2: Convert to fraction form
    910,281.48/1,365,422.90 = 311,247.15/x
  3. Step 3: Cross multiply
    910,281.48x = 1,365,422.90 × 311,247.15
  4. Step 4: Simplify right side
    910,281.48x = 424,983,986,169.74
  5. Step 5: Solve for x
    x = 424,983,986,169.74/910,281.48
  6. Step 6: Final answer
    x = 466,870.96

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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.