Home / 849,552.30-1,274,328.45-288,586.80

Finding the Fourth Proportional to 849,552.30, 1,274,328.45 and 288,586.80

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Solution

The fourth proportional to 849,552.30, 1,274,328.45 and 288,586.80 is: 432,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,552.30 : 1,274,328.45 = 288,586.80 : x
  2. Step 2: Convert to fraction form
    849,552.30/1,274,328.45 = 288,586.80/x
  3. Step 3: Cross multiply
    849,552.30x = 1,274,328.45 × 288,586.80
  4. Step 4: Simplify right side
    849,552.30x = 367,754,369,534.46
  5. Step 5: Solve for x
    x = 367,754,369,534.46/849,552.30
  6. Step 6: Final answer
    x = 432,880.20

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Double scale
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Similar ratio
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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.