Home / 777,531.97-1,072,999.10-433,389.72

Finding the Fourth Proportional to 777,531.97, 1,072,999.10 and 433,389.72

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Solution

The fourth proportional to 777,531.97, 1,072,999.10 and 433,389.72 is: 598,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,531.97 : 1,072,999.10 = 433,389.72 : x
  2. Step 2: Convert to fraction form
    777,531.97/1,072,999.10 = 433,389.72/x
  3. Step 3: Cross multiply
    777,531.97x = 1,072,999.10 × 433,389.72
  4. Step 4: Simplify right side
    777,531.97x = 465,026,779,509.25
  5. Step 5: Solve for x
    x = 465,026,779,509.25/777,531.97
  6. Step 6: Final answer
    x = 598,080.59

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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.