Home / 781,566.48-1,171,412.28-402,667.92

Finding the Fourth Proportional to 781,566.48, 1,171,412.28 and 402,667.92

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Solution

The fourth proportional to 781,566.48, 1,171,412.28 and 402,667.92 is: 603,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,566.48 : 1,171,412.28 = 402,667.92 : x
  2. Step 2: Convert to fraction form
    781,566.48/1,171,412.28 = 402,667.92/x
  3. Step 3: Cross multiply
    781,566.48x = 1,171,412.28 × 402,667.92
  4. Step 4: Simplify right side
    781,566.48x = 471,690,146,250.06
  5. Step 5: Solve for x
    x = 471,690,146,250.06/781,566.48
  6. Step 6: Final answer
    x = 603,518.91

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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.