Home / 907,406.64-1,252,293.48-525,440.16

Finding the Fourth Proportional to 907,406.64, 1,252,293.48 and 525,440.16

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Solution

The fourth proportional to 907,406.64, 1,252,293.48 and 525,440.16 is: 725,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,406.64 : 1,252,293.48 = 525,440.16 : x
  2. Step 2: Convert to fraction form
    907,406.64/1,252,293.48 = 525,440.16/x
  3. Step 3: Cross multiply
    907,406.64x = 1,252,293.48 × 525,440.16
  4. Step 4: Simplify right side
    907,406.64x = 658,005,286,498.16
  5. Step 5: Solve for x
    x = 658,005,286,498.16/907,406.64
  6. Step 6: Final answer
    x = 725,149.30

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Double scale
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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.