Home / 791,281.02-1,091,968.02-428,707.38

Finding the Fourth Proportional to 791,281.02, 1,091,968.02 and 428,707.38

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Solution

The fourth proportional to 791,281.02, 1,091,968.02 and 428,707.38 is: 591,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,281.02 : 1,091,968.02 = 428,707.38 : x
  2. Step 2: Convert to fraction form
    791,281.02/1,091,968.02 = 428,707.38/x
  3. Step 3: Cross multiply
    791,281.02x = 1,091,968.02 × 428,707.38
  4. Step 4: Simplify right side
    791,281.02x = 468,134,748,897.99
  5. Step 5: Solve for x
    x = 468,134,748,897.99/791,281.02
  6. Step 6: Final answer
    x = 591,616.30

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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.