Home / 907,475.20-1,252,175.56-525,428.16

Finding the Fourth Proportional to 907,475.20, 1,252,175.56 and 525,428.16

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Solution

The fourth proportional to 907,475.20, 1,252,175.56 and 525,428.16 is: 725,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,475.20 : 1,252,175.56 = 525,428.16 : x
  2. Step 2: Convert to fraction form
    907,475.20/1,252,175.56 = 525,428.16/x
  3. Step 3: Cross multiply
    907,475.20x = 1,252,175.56 × 525,428.16
  4. Step 4: Simplify right side
    907,475.20x = 657,928,300,487.77
  5. Step 5: Solve for x
    x = 657,928,300,487.77/907,475.20
  6. Step 6: Final answer
    x = 725,009.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.