Home / 907,340.60-1,252,249.26-520,307.48

Finding the Fourth Proportional to 907,340.60, 1,252,249.26 and 520,307.48

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Solution

The fourth proportional to 907,340.60, 1,252,249.26 and 520,307.48 is: 718,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,340.60 : 1,252,249.26 = 520,307.48 : x
  2. Step 2: Convert to fraction form
    907,340.60/1,252,249.26 = 520,307.48/x
  3. Step 3: Cross multiply
    907,340.60x = 1,252,249.26 × 520,307.48
  4. Step 4: Simplify right side
    907,340.60x = 651,554,656,802.47
  5. Step 5: Solve for x
    x = 651,554,656,802.47/907,340.60
  6. Step 6: Final answer
    x = 718,092.70

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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.