Home / 806,412.80-1,209,619.20-565,875.20

Finding the Fourth Proportional to 806,412.80, 1,209,619.20 and 565,875.20

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Solution

The fourth proportional to 806,412.80, 1,209,619.20 and 565,875.20 is: 848,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,412.80 : 1,209,619.20 = 565,875.20 : x
  2. Step 2: Convert to fraction form
    806,412.80/1,209,619.20 = 565,875.20/x
  3. Step 3: Cross multiply
    806,412.80x = 1,209,619.20 × 565,875.20
  4. Step 4: Simplify right side
    806,412.80x = 684,493,506,723.84
  5. Step 5: Solve for x
    x = 684,493,506,723.84/806,412.80
  6. Step 6: Final answer
    x = 848,812.80

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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.