Home / 891,661.02-1,335,432.51-535,891.20

Finding the Fourth Proportional to 891,661.02, 1,335,432.51 and 535,891.20

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Solution

The fourth proportional to 891,661.02, 1,335,432.51 and 535,891.20 is: 802,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,661.02 : 1,335,432.51 = 535,891.20 : x
  2. Step 2: Convert to fraction form
    891,661.02/1,335,432.51 = 535,891.20/x
  3. Step 3: Cross multiply
    891,661.02x = 1,335,432.51 × 535,891.20
  4. Step 4: Simplify right side
    891,661.02x = 715,646,530,302.91
  5. Step 5: Solve for x
    x = 715,646,530,302.91/891,661.02
  6. Step 6: Final answer
    x = 802,599.32

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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.