Home / 847,117.84-1,263,204.02-729,544.72

Finding the Fourth Proportional to 847,117.84, 1,263,204.02 and 729,544.72

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Solution

The fourth proportional to 847,117.84, 1,263,204.02 and 729,544.72 is: 1,087,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,117.84 : 1,263,204.02 = 729,544.72 : x
  2. Step 2: Convert to fraction form
    847,117.84/1,263,204.02 = 729,544.72/x
  3. Step 3: Cross multiply
    847,117.84x = 1,263,204.02 × 729,544.72
  4. Step 4: Simplify right side
    847,117.84x = 921,563,823,073.77
  5. Step 5: Solve for x
    x = 921,563,823,073.77/847,117.84
  6. Step 6: Final answer
    x = 1,087,881.50

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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.