Home / 907,473.20-1,252,172.80-525,426.16

Finding the Fourth Proportional to 907,473.20, 1,252,172.80 and 525,426.16

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Solution

The fourth proportional to 907,473.20, 1,252,172.80 and 525,426.16 is: 725,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,473.20 : 1,252,172.80 = 525,426.16 : x
  2. Step 2: Convert to fraction form
    907,473.20/1,252,172.80 = 525,426.16/x
  3. Step 3: Cross multiply
    907,473.20x = 1,252,172.80 × 525,426.16
  4. Step 4: Simplify right side
    907,473.20x = 657,924,345,960.45
  5. Step 5: Solve for x
    x = 657,924,345,960.45/907,473.20
  6. Step 6: Final answer
    x = 725,006.92

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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.