Home / 907,339.60-1,252,247.88-520,306.48

Finding the Fourth Proportional to 907,339.60, 1,252,247.88 and 520,306.48

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Solution

The fourth proportional to 907,339.60, 1,252,247.88 and 520,306.48 is: 718,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,339.60 : 1,252,247.88 = 520,306.48 : x
  2. Step 2: Convert to fraction form
    907,339.60/1,252,247.88 = 520,306.48/x
  3. Step 3: Cross multiply
    907,339.60x = 1,252,247.88 × 520,306.48
  4. Step 4: Simplify right side
    907,339.60x = 651,552,686,530.26
  5. Step 5: Solve for x
    x = 651,552,686,530.26/907,339.60
  6. Step 6: Final answer
    x = 718,091.32

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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.