Home / 804,948.80-1,206,040.80-425,307.20

Finding the Fourth Proportional to 804,948.80, 1,206,040.80 and 425,307.20

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Solution

The fourth proportional to 804,948.80, 1,206,040.80 and 425,307.20 is: 637,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,948.80 : 1,206,040.80 = 425,307.20 : x
  2. Step 2: Convert to fraction form
    804,948.80/1,206,040.80 = 425,307.20/x
  3. Step 3: Cross multiply
    804,948.80x = 1,206,040.80 × 425,307.20
  4. Step 4: Simplify right side
    804,948.80x = 512,937,835,733.76
  5. Step 5: Solve for x
    x = 512,937,835,733.76/804,948.80
  6. Step 6: Final answer
    x = 637,230.39

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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.