Home / 847,719.48-1,169,793.90-465,762.36

Finding the Fourth Proportional to 847,719.48, 1,169,793.90 and 465,762.36

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Solution

The fourth proportional to 847,719.48, 1,169,793.90 and 465,762.36 is: 642,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,719.48 : 1,169,793.90 = 465,762.36 : x
  2. Step 2: Convert to fraction form
    847,719.48/1,169,793.90 = 465,762.36/x
  3. Step 3: Cross multiply
    847,719.48x = 1,169,793.90 × 465,762.36
  4. Step 4: Simplify right side
    847,719.48x = 544,845,967,577.60
  5. Step 5: Solve for x
    x = 544,845,967,577.60/847,719.48
  6. Step 6: Final answer
    x = 642,719.65

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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.