Home / 798,476.34-1,102,292.51-492,721.13

Finding the Fourth Proportional to 798,476.34, 1,102,292.51 and 492,721.13

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Solution

The fourth proportional to 798,476.34, 1,102,292.51 and 492,721.13 is: 680,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,476.34 : 1,102,292.51 = 492,721.13 : x
  2. Step 2: Convert to fraction form
    798,476.34/1,102,292.51 = 492,721.13/x
  3. Step 3: Cross multiply
    798,476.34x = 1,102,292.51 × 492,721.13
  4. Step 4: Simplify right side
    798,476.34x = 543,122,811,117.74
  5. Step 5: Solve for x
    x = 543,122,811,117.74/798,476.34
  6. Step 6: Final answer
    x = 680,199.00

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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.