Home / 772,066.73-1,157,632.61-345,523.13

Finding the Fourth Proportional to 772,066.73, 1,157,632.61 and 345,523.13

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Solution

The fourth proportional to 772,066.73, 1,157,632.61 and 345,523.13 is: 518,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,066.73 : 1,157,632.61 = 345,523.13 : x
  2. Step 2: Convert to fraction form
    772,066.73/1,157,632.61 = 345,523.13/x
  3. Step 3: Cross multiply
    772,066.73x = 1,157,632.61 × 345,523.13
  4. Step 4: Simplify right side
    772,066.73x = 399,988,835,281.49
  5. Step 5: Solve for x
    x = 399,988,835,281.49/772,066.73
  6. Step 6: Final answer
    x = 518,075.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.