Home / 849,146.32-1,171,750.62-500,231.08

Finding the Fourth Proportional to 849,146.32, 1,171,750.62 and 500,231.08

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Solution

The fourth proportional to 849,146.32, 1,171,750.62 and 500,231.08 is: 690,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,146.32 : 1,171,750.62 = 500,231.08 : x
  2. Step 2: Convert to fraction form
    849,146.32/1,171,750.62 = 500,231.08/x
  3. Step 3: Cross multiply
    849,146.32x = 1,171,750.62 × 500,231.08
  4. Step 4: Simplify right side
    849,146.32x = 586,146,078,133.27
  5. Step 5: Solve for x
    x = 586,146,078,133.27/849,146.32
  6. Step 6: Final answer
    x = 690,276.89

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1.5x scale

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.