Home / 880,109.32-1,319,952.60-406,339.48

Finding the Fourth Proportional to 880,109.32, 1,319,952.60 and 406,339.48

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Solution

The fourth proportional to 880,109.32, 1,319,952.60 and 406,339.48 is: 609,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,109.32 : 1,319,952.60 = 406,339.48 : x
  2. Step 2: Convert to fraction form
    880,109.32/1,319,952.60 = 406,339.48/x
  3. Step 3: Cross multiply
    880,109.32x = 1,319,952.60 × 406,339.48
  4. Step 4: Simplify right side
    880,109.32x = 536,348,853,108.65
  5. Step 5: Solve for x
    x = 536,348,853,108.65/880,109.32
  6. Step 6: Final answer
    x = 609,411.63

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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.