Home / 717,170.07-989,731.07-407,094.48

Finding the Fourth Proportional to 717,170.07, 989,731.07 and 407,094.48

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Solution

The fourth proportional to 717,170.07, 989,731.07 and 407,094.48 is: 561,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,170.07 : 989,731.07 = 407,094.48 : x
  2. Step 2: Convert to fraction form
    717,170.07/989,731.07 = 407,094.48/x
  3. Step 3: Cross multiply
    717,170.07x = 989,731.07 × 407,094.48
  4. Step 4: Simplify right side
    717,170.07x = 402,914,055,281.49
  5. Step 5: Solve for x
    x = 402,914,055,281.49/717,170.07
  6. Step 6: Final answer
    x = 561,811.03

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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.