Home / 847,490.56-1,270,154.64-397,218.08

Finding the Fourth Proportional to 847,490.56, 1,270,154.64 and 397,218.08

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Solution

The fourth proportional to 847,490.56, 1,270,154.64 and 397,218.08 is: 595,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,490.56 : 1,270,154.64 = 397,218.08 : x
  2. Step 2: Convert to fraction form
    847,490.56/1,270,154.64 = 397,218.08/x
  3. Step 3: Cross multiply
    847,490.56x = 1,270,154.64 × 397,218.08
  4. Step 4: Simplify right side
    847,490.56x = 504,528,387,403.89
  5. Step 5: Solve for x
    x = 504,528,387,403.89/847,490.56
  6. Step 6: Final answer
    x = 595,320.36

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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.