Home / 807,295.65-1,210,921.32-351,886.61

Finding the Fourth Proportional to 807,295.65, 1,210,921.32 and 351,886.61

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Solution

The fourth proportional to 807,295.65, 1,210,921.32 and 351,886.61 is: 527,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,295.65 : 1,210,921.32 = 351,886.61 : x
  2. Step 2: Convert to fraction form
    807,295.65/1,210,921.32 = 351,886.61/x
  3. Step 3: Cross multiply
    807,295.65x = 1,210,921.32 × 351,886.61
  4. Step 4: Simplify right side
    807,295.65x = 426,106,998,271.53
  5. Step 5: Solve for x
    x = 426,106,998,271.53/807,295.65
  6. Step 6: Final answer
    x = 527,820.26

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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.