Home / 989,808.60-1,480,284.23-830,376.30

Finding the Fourth Proportional to 989,808.60, 1,480,284.23 and 830,376.30

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Solution

The fourth proportional to 989,808.60, 1,480,284.23 and 830,376.30 is: 1,241,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,808.60 : 1,480,284.23 = 830,376.30 : x
  2. Step 2: Convert to fraction form
    989,808.60/1,480,284.23 = 830,376.30/x
  3. Step 3: Cross multiply
    989,808.60x = 1,480,284.23 × 830,376.30
  4. Step 4: Simplify right side
    989,808.60x = 1,229,192,937,703.87
  5. Step 5: Solve for x
    x = 1,229,192,937,703.87/989,808.60
  6. Step 6: Final answer
    x = 1,241,849.12

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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.