Home / 849,304.72-1,267,152.98-677,727.28

Finding the Fourth Proportional to 849,304.72, 1,267,152.98 and 677,727.28

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Solution

The fourth proportional to 849,304.72, 1,267,152.98 and 677,727.28 is: 1,011,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,304.72 : 1,267,152.98 = 677,727.28 : x
  2. Step 2: Convert to fraction form
    849,304.72/1,267,152.98 = 677,727.28/x
  3. Step 3: Cross multiply
    849,304.72x = 1,267,152.98 × 677,727.28
  4. Step 4: Simplify right side
    849,304.72x = 858,784,142,479.29
  5. Step 5: Solve for x
    x = 858,784,142,479.29/849,304.72
  6. Step 6: Final answer
    x = 1,011,161.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.