Home / 312,499.20-466,004.67-309,657.46

Finding the Fourth Proportional to 312,499.20, 466,004.67 and 309,657.46

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Solution

The fourth proportional to 312,499.20, 466,004.67 and 309,657.46 is: 461,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,499.20 : 466,004.67 = 309,657.46 : x
  2. Step 2: Convert to fraction form
    312,499.20/466,004.67 = 309,657.46/x
  3. Step 3: Cross multiply
    312,499.20x = 466,004.67 × 309,657.46
  4. Step 4: Simplify right side
    312,499.20x = 144,301,822,460.34
  5. Step 5: Solve for x
    x = 144,301,822,460.34/312,499.20
  6. Step 6: Final answer
    x = 461,767.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.