Home / 849,562.80-1,274,423.40-280,946.16

Finding the Fourth Proportional to 849,562.80, 1,274,423.40 and 280,946.16

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Solution

The fourth proportional to 849,562.80, 1,274,423.40 and 280,946.16 is: 421,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,562.80 : 1,274,423.40 = 280,946.16 : x
  2. Step 2: Convert to fraction form
    849,562.80/1,274,423.40 = 280,946.16/x
  3. Step 3: Cross multiply
    849,562.80x = 1,274,423.40 × 280,946.16
  4. Step 4: Simplify right side
    849,562.80x = 358,044,360,444.14
  5. Step 5: Solve for x
    x = 358,044,360,444.14/849,562.80
  6. Step 6: Final answer
    x = 421,445.43

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Double scale
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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.