Home / 849,325-1,274,184.36-288,359.50

Finding the Fourth Proportional to 849,325, 1,274,184.36 and 288,359.50

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Solution

The fourth proportional to 849,325, 1,274,184.36 and 288,359.50 is: 432,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,325 : 1,274,184.36 = 288,359.50 : x
  2. Step 2: Convert to fraction form
    849,325/1,274,184.36 = 288,359.50/x
  3. Step 3: Cross multiply
    849,325x = 1,274,184.36 × 288,359.50
  4. Step 4: Simplify right side
    849,325x = 367,423,164,957.42
  5. Step 5: Solve for x
    x = 367,423,164,957.42/849,325
  6. Step 6: Final answer
    x = 432,606.09

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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.