Home / 786,036.60-1,176,333.30-470,719.80

Finding the Fourth Proportional to 786,036.60, 1,176,333.30 and 470,719.80

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Solution

The fourth proportional to 786,036.60, 1,176,333.30 and 470,719.80 is: 704,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,036.60 : 1,176,333.30 = 470,719.80 : x
  2. Step 2: Convert to fraction form
    786,036.60/1,176,333.30 = 470,719.80/x
  3. Step 3: Cross multiply
    786,036.60x = 1,176,333.30 × 470,719.80
  4. Step 4: Simplify right side
    786,036.60x = 553,723,375,709.34
  5. Step 5: Solve for x
    x = 553,723,375,709.34/786,036.60
  6. Step 6: Final answer
    x = 704,449.86

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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.