Home / 807,552.60-1,209,968.10-638,424.60

Finding the Fourth Proportional to 807,552.60, 1,209,968.10 and 638,424.60

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Solution

The fourth proportional to 807,552.60, 1,209,968.10 and 638,424.60 is: 956,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,552.60 : 1,209,968.10 = 638,424.60 : x
  2. Step 2: Convert to fraction form
    807,552.60/1,209,968.10 = 638,424.60/x
  3. Step 3: Cross multiply
    807,552.60x = 1,209,968.10 × 638,424.60
  4. Step 4: Simplify right side
    807,552.60x = 772,473,400,255.26
  5. Step 5: Solve for x
    x = 772,473,400,255.26/807,552.60
  6. Step 6: Final answer
    x = 956,561.10

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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.