Home / 907,718.40-1,252,542.72-525,692.16

Finding the Fourth Proportional to 907,718.40, 1,252,542.72 and 525,692.16

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Solution

The fourth proportional to 907,718.40, 1,252,542.72 and 525,692.16 is: 725,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,718.40 : 1,252,542.72 = 525,692.16 : x
  2. Step 2: Convert to fraction form
    907,718.40/1,252,542.72 = 525,692.16/x
  3. Step 3: Cross multiply
    907,718.40x = 1,252,542.72 × 525,692.16
  4. Step 4: Simplify right side
    907,718.40x = 658,451,887,969.08
  5. Step 5: Solve for x
    x = 658,451,887,969.08/907,718.40
  6. Step 6: Final answer
    x = 725,392.24

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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.