Home / 907,115.10-1,360,816.65-308,132.70

Finding the Fourth Proportional to 907,115.10, 1,360,816.65 and 308,132.70

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Solution

The fourth proportional to 907,115.10, 1,360,816.65 and 308,132.70 is: 462,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,115.10 : 1,360,816.65 = 308,132.70 : x
  2. Step 2: Convert to fraction form
    907,115.10/1,360,816.65 = 308,132.70/x
  3. Step 3: Cross multiply
    907,115.10x = 1,360,816.65 × 308,132.70
  4. Step 4: Simplify right side
    907,115.10x = 419,312,108,569.46
  5. Step 5: Solve for x
    x = 419,312,108,569.46/907,115.10
  6. Step 6: Final answer
    x = 462,247.96

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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.