Home / 830,001.60-1,245,002.40-682,379.10

Finding the Fourth Proportional to 830,001.60, 1,245,002.40 and 682,379.10

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Solution

The fourth proportional to 830,001.60, 1,245,002.40 and 682,379.10 is: 1,023,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,001.60 : 1,245,002.40 = 682,379.10 : x
  2. Step 2: Convert to fraction form
    830,001.60/1,245,002.40 = 682,379.10/x
  3. Step 3: Cross multiply
    830,001.60x = 1,245,002.40 × 682,379.10
  4. Step 4: Simplify right side
    830,001.60x = 849,563,617,209.84
  5. Step 5: Solve for x
    x = 849,563,617,209.84/830,001.60
  6. Step 6: Final answer
    x = 1,023,568.65

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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.