Home / 740,299.10-1,110,891.07-680,069.12

Finding the Fourth Proportional to 740,299.10, 1,110,891.07 and 680,069.12

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Solution

The fourth proportional to 740,299.10, 1,110,891.07 and 680,069.12 is: 1,020,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,299.10 : 1,110,891.07 = 680,069.12 : x
  2. Step 2: Convert to fraction form
    740,299.10/1,110,891.07 = 680,069.12/x
  3. Step 3: Cross multiply
    740,299.10x = 1,110,891.07 × 680,069.12
  4. Step 4: Simplify right side
    740,299.10x = 755,482,712,390.76
  5. Step 5: Solve for x
    x = 755,482,712,390.76/740,299.10
  6. Step 6: Final answer
    x = 1,020,510.11

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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.