Home / 935,577.74-1,290,802.56-572,623.22

Finding the Fourth Proportional to 935,577.74, 1,290,802.56 and 572,623.22

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Solution

The fourth proportional to 935,577.74, 1,290,802.56 and 572,623.22 is: 790,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,577.74 : 1,290,802.56 = 572,623.22 : x
  2. Step 2: Convert to fraction form
    935,577.74/1,290,802.56 = 572,623.22/x
  3. Step 3: Cross multiply
    935,577.74x = 1,290,802.56 × 572,623.22
  4. Step 4: Simplify right side
    935,577.74x = 739,143,515,428.33
  5. Step 5: Solve for x
    x = 739,143,515,428.33/935,577.74
  6. Step 6: Final answer
    x = 790,039.66

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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.