Home / 807,922.40-1,210,501.20-512,088.80

Finding the Fourth Proportional to 807,922.40, 1,210,501.20 and 512,088.80

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Solution

The fourth proportional to 807,922.40, 1,210,501.20 and 512,088.80 is: 767,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,922.40 : 1,210,501.20 = 512,088.80 : x
  2. Step 2: Convert to fraction form
    807,922.40/1,210,501.20 = 512,088.80/x
  3. Step 3: Cross multiply
    807,922.40x = 1,210,501.20 × 512,088.80
  4. Step 4: Simplify right side
    807,922.40x = 619,884,106,906.56
  5. Step 5: Solve for x
    x = 619,884,106,906.56/807,922.40
  6. Step 6: Final answer
    x = 767,256.99

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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.