Home / 509,623.29-703,280.59-280,184.48

Finding the Fourth Proportional to 509,623.29, 703,280.59 and 280,184.48

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Solution

The fourth proportional to 509,623.29, 703,280.59 and 280,184.48 is: 386,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,623.29 : 703,280.59 = 280,184.48 : x
  2. Step 2: Convert to fraction form
    509,623.29/703,280.59 = 280,184.48/x
  3. Step 3: Cross multiply
    509,623.29x = 703,280.59 × 280,184.48
  4. Step 4: Simplify right side
    509,623.29x = 197,048,301,485.92
  5. Step 5: Solve for x
    x = 197,048,301,485.92/509,623.29
  6. Step 6: Final answer
    x = 386,654.82

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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.