Home / 563,084.76-777,057.36-308,436.96

Finding the Fourth Proportional to 563,084.76, 777,057.36 and 308,436.96

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Solution

The fourth proportional to 563,084.76, 777,057.36 and 308,436.96 is: 425,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,084.76 : 777,057.36 = 308,436.96 : x
  2. Step 2: Convert to fraction form
    563,084.76/777,057.36 = 308,436.96/x
  3. Step 3: Cross multiply
    563,084.76x = 777,057.36 × 308,436.96
  4. Step 4: Simplify right side
    563,084.76x = 239,673,209,864.03
  5. Step 5: Solve for x
    x = 239,673,209,864.03/563,084.76
  6. Step 6: Final answer
    x = 425,643.22

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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.