Home / 890,943.03-1,228,311.98-707,789.30

Finding the Fourth Proportional to 890,943.03, 1,228,311.98 and 707,789.30

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Solution

The fourth proportional to 890,943.03, 1,228,311.98 and 707,789.30 is: 975,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,943.03 : 1,228,311.98 = 707,789.30 : x
  2. Step 2: Convert to fraction form
    890,943.03/1,228,311.98 = 707,789.30/x
  3. Step 3: Cross multiply
    890,943.03x = 1,228,311.98 × 707,789.30
  4. Step 4: Simplify right side
    890,943.03x = 869,386,081,346.07
  5. Step 5: Solve for x
    x = 869,386,081,346.07/890,943.03
  6. Step 6: Final answer
    x = 975,804.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.