Home / 743,562.41-1,026,209.13-421,376.31

Finding the Fourth Proportional to 743,562.41, 1,026,209.13 and 421,376.31

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Solution

The fourth proportional to 743,562.41, 1,026,209.13 and 421,376.31 is: 581,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,562.41 : 1,026,209.13 = 421,376.31 : x
  2. Step 2: Convert to fraction form
    743,562.41/1,026,209.13 = 421,376.31/x
  3. Step 3: Cross multiply
    743,562.41x = 1,026,209.13 × 421,376.31
  4. Step 4: Simplify right side
    743,562.41x = 432,420,216,487.71
  5. Step 5: Solve for x
    x = 432,420,216,487.71/743,562.41
  6. Step 6: Final answer
    x = 581,552.02

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1.5x scale

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.