Home / 838,728.04-1,157,423.46-481,009

Finding the Fourth Proportional to 838,728.04, 1,157,423.46 and 481,009

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Solution

The fourth proportional to 838,728.04, 1,157,423.46 and 481,009 is: 663,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,728.04 : 1,157,423.46 = 481,009 : x
  2. Step 2: Convert to fraction form
    838,728.04/1,157,423.46 = 481,009/x
  3. Step 3: Cross multiply
    838,728.04x = 1,157,423.46 × 481,009
  4. Step 4: Simplify right side
    838,728.04x = 556,731,101,071.14
  5. Step 5: Solve for x
    x = 556,731,101,071.14/838,728.04
  6. Step 6: Final answer
    x = 663,780.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.