Home / 786,046.60-1,176,348.30-470,729.80

Finding the Fourth Proportional to 786,046.60, 1,176,348.30 and 470,729.80

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Solution

The fourth proportional to 786,046.60, 1,176,348.30 and 470,729.80 is: 704,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,046.60 : 1,176,348.30 = 470,729.80 : x
  2. Step 2: Convert to fraction form
    786,046.60/1,176,348.30 = 470,729.80/x
  3. Step 3: Cross multiply
    786,046.60x = 1,176,348.30 × 470,729.80
  4. Step 4: Simplify right side
    786,046.60x = 553,742,199,989.34
  5. Step 5: Solve for x
    x = 553,742,199,989.34/786,046.60
  6. Step 6: Final answer
    x = 704,464.85

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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.