Home / 845,823.02-1,268,968.71-390,553.20

Finding the Fourth Proportional to 845,823.02, 1,268,968.71 and 390,553.20

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Solution

The fourth proportional to 845,823.02, 1,268,968.71 and 390,553.20 is: 585,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,823.02 : 1,268,968.71 = 390,553.20 : x
  2. Step 2: Convert to fraction form
    845,823.02/1,268,968.71 = 390,553.20/x
  3. Step 3: Cross multiply
    845,823.02x = 1,268,968.71 × 390,553.20
  4. Step 4: Simplify right side
    845,823.02x = 495,599,790,390.37
  5. Step 5: Solve for x
    x = 495,599,790,390.37/845,823.02
  6. Step 6: Final answer
    x = 585,937.93

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1.5x scale

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.