Home / 992,992.30-1,490,104.05-520,017.10

Finding the Fourth Proportional to 992,992.30, 1,490,104.05 and 520,017.10

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Solution

The fourth proportional to 992,992.30, 1,490,104.05 and 520,017.10 is: 780,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,992.30 : 1,490,104.05 = 520,017.10 : x
  2. Step 2: Convert to fraction form
    992,992.30/1,490,104.05 = 520,017.10/x
  3. Step 3: Cross multiply
    992,992.30x = 1,490,104.05 × 520,017.10
  4. Step 4: Simplify right side
    992,992.30x = 774,879,586,779.26
  5. Step 5: Solve for x
    x = 774,879,586,779.26/992,992.30
  6. Step 6: Final answer
    x = 780,348.03

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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.