Home / 808,887.40-1,213,331.10-748,061.80

Finding the Fourth Proportional to 808,887.40, 1,213,331.10 and 748,061.80

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Solution

The fourth proportional to 808,887.40, 1,213,331.10 and 748,061.80 is: 1,122,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,887.40 : 1,213,331.10 = 748,061.80 : x
  2. Step 2: Convert to fraction form
    808,887.40/1,213,331.10 = 748,061.80/x
  3. Step 3: Cross multiply
    808,887.40x = 1,213,331.10 × 748,061.80
  4. Step 4: Simplify right side
    808,887.40x = 907,646,646,661.98
  5. Step 5: Solve for x
    x = 907,646,646,661.98/808,887.40
  6. Step 6: Final answer
    x = 1,122,092.70

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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.