Home / 806,899.77-1,210,539.18-452,158.65

Finding the Fourth Proportional to 806,899.77, 1,210,539.18 and 452,158.65

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Solution

The fourth proportional to 806,899.77, 1,210,539.18 and 452,158.65 is: 678,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,899.77 : 1,210,539.18 = 452,158.65 : x
  2. Step 2: Convert to fraction form
    806,899.77/1,210,539.18 = 452,158.65/x
  3. Step 3: Cross multiply
    806,899.77x = 1,210,539.18 × 452,158.65
  4. Step 4: Simplify right side
    806,899.77x = 547,355,761,400.91
  5. Step 5: Solve for x
    x = 547,355,761,400.91/806,899.77
  6. Step 6: Final answer
    x = 678,344.18

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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.