Home / 714,842.01-1,072,470.54-288,157.64

Finding the Fourth Proportional to 714,842.01, 1,072,470.54 and 288,157.64

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Solution

The fourth proportional to 714,842.01, 1,072,470.54 and 288,157.64 is: 432,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,842.01 : 1,072,470.54 = 288,157.64 : x
  2. Step 2: Convert to fraction form
    714,842.01/1,072,470.54 = 288,157.64/x
  3. Step 3: Cross multiply
    714,842.01x = 1,072,470.54 × 288,157.64
  4. Step 4: Simplify right side
    714,842.01x = 309,040,575,494.16
  5. Step 5: Solve for x
    x = 309,040,575,494.16/714,842.01
  6. Step 6: Final answer
    x = 432,320.11

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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.