Home / 910,281.98-1,365,423.66-311,247.65

Finding the Fourth Proportional to 910,281.98, 1,365,423.66 and 311,247.65

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Solution

The fourth proportional to 910,281.98, 1,365,423.66 and 311,247.65 is: 466,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,281.98 : 1,365,423.66 = 311,247.65 : x
  2. Step 2: Convert to fraction form
    910,281.98/1,365,423.66 = 311,247.65/x
  3. Step 3: Cross multiply
    910,281.98x = 1,365,423.66 × 311,247.65
  4. Step 4: Simplify right side
    910,281.98x = 424,984,898,602.28
  5. Step 5: Solve for x
    x = 424,984,898,602.28/910,281.98
  6. Step 6: Final answer
    x = 466,871.71

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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.