Home / 786,471.60-1,179,710.52-239,369.28

Finding the Fourth Proportional to 786,471.60, 1,179,710.52 and 239,369.28

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Solution

The fourth proportional to 786,471.60, 1,179,710.52 and 239,369.28 is: 359,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,471.60 : 1,179,710.52 = 239,369.28 : x
  2. Step 2: Convert to fraction form
    786,471.60/1,179,710.52 = 239,369.28/x
  3. Step 3: Cross multiply
    786,471.60x = 1,179,710.52 × 239,369.28
  4. Step 4: Simplify right side
    786,471.60x = 282,386,457,780.83
  5. Step 5: Solve for x
    x = 282,386,457,780.83/786,471.60
  6. Step 6: Final answer
    x = 359,054.87

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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.