Home / 776,156.20-1,164,428.02-270,724.46

Finding the Fourth Proportional to 776,156.20, 1,164,428.02 and 270,724.46

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Solution

The fourth proportional to 776,156.20, 1,164,428.02 and 270,724.46 is: 406,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,156.20 : 1,164,428.02 = 270,724.46 : x
  2. Step 2: Convert to fraction form
    776,156.20/1,164,428.02 = 270,724.46/x
  3. Step 3: Cross multiply
    776,156.20x = 1,164,428.02 × 270,724.46
  4. Step 4: Simplify right side
    776,156.20x = 315,239,141,101.23
  5. Step 5: Solve for x
    x = 315,239,141,101.23/776,156.20
  6. Step 6: Final answer
    x = 406,154.25

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1.5x scale

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.