Home / 717,985.63-1,077,106.53-238,242.25

Finding the Fourth Proportional to 717,985.63, 1,077,106.53 and 238,242.25

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Solution

The fourth proportional to 717,985.63, 1,077,106.53 and 238,242.25 is: 357,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,985.63 : 1,077,106.53 = 238,242.25 : x
  2. Step 2: Convert to fraction form
    717,985.63/1,077,106.53 = 238,242.25/x
  3. Step 3: Cross multiply
    717,985.63x = 1,077,106.53 × 238,242.25
  4. Step 4: Simplify right side
    717,985.63x = 256,612,283,196.89
  5. Step 5: Solve for x
    x = 256,612,283,196.89/717,985.63
  6. Step 6: Final answer
    x = 357,405.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.