Home / 907,497.22-1,252,419.38-520,348.67

Finding the Fourth Proportional to 907,497.22, 1,252,419.38 and 520,348.67

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Solution

The fourth proportional to 907,497.22, 1,252,419.38 and 520,348.67 is: 718,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,497.22 : 1,252,419.38 = 520,348.67 : x
  2. Step 2: Convert to fraction form
    907,497.22/1,252,419.38 = 520,348.67/x
  3. Step 3: Cross multiply
    907,497.22x = 1,252,419.38 × 520,348.67
  4. Step 4: Simplify right side
    907,497.22x = 651,694,752,403.13
  5. Step 5: Solve for x
    x = 651,694,752,403.13/907,497.22
  6. Step 6: Final answer
    x = 718,123.14

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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.