Home / 847,504.32-1,169,562.90-465,539.64

Finding the Fourth Proportional to 847,504.32, 1,169,562.90 and 465,539.64

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Solution

The fourth proportional to 847,504.32, 1,169,562.90 and 465,539.64 is: 642,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,504.32 : 1,169,562.90 = 465,539.64 : x
  2. Step 2: Convert to fraction form
    847,504.32/1,169,562.90 = 465,539.64/x
  3. Step 3: Cross multiply
    847,504.32x = 1,169,562.90 × 465,539.64
  4. Step 4: Simplify right side
    847,504.32x = 544,477,891,423.36
  5. Step 5: Solve for x
    x = 544,477,891,423.36/847,504.32
  6. Step 6: Final answer
    x = 642,448.51

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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.