Home / 847,643.88-1,169,749.02-465,695.26

Finding the Fourth Proportional to 847,643.88, 1,169,749.02 and 465,695.26

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Solution

The fourth proportional to 847,643.88, 1,169,749.02 and 465,695.26 is: 642,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,643.88 : 1,169,749.02 = 465,695.26 : x
  2. Step 2: Convert to fraction form
    847,643.88/1,169,749.02 = 465,695.26/x
  3. Step 3: Cross multiply
    847,643.88x = 1,169,749.02 × 465,695.26
  4. Step 4: Simplify right side
    847,643.88x = 544,746,574,003.65
  5. Step 5: Solve for x
    x = 544,746,574,003.65/847,643.88
  6. Step 6: Final answer
    x = 642,659.72

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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.