Home / 509,667.04-703,325.59-280,224.08

Finding the Fourth Proportional to 509,667.04, 703,325.59 and 280,224.08

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Solution

The fourth proportional to 509,667.04, 703,325.59 and 280,224.08 is: 386,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,667.04 : 703,325.59 = 280,224.08 : x
  2. Step 2: Convert to fraction form
    509,667.04/703,325.59 = 280,224.08/x
  3. Step 3: Cross multiply
    509,667.04x = 703,325.59 × 280,224.08
  4. Step 4: Simplify right side
    509,667.04x = 197,088,766,398.21
  5. Step 5: Solve for x
    x = 197,088,766,398.21/509,667.04
  6. Step 6: Final answer
    x = 386,701.02

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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.