Home / 798,986.33-1,102,314.63-472,230.77

Finding the Fourth Proportional to 798,986.33, 1,102,314.63 and 472,230.77

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Solution

The fourth proportional to 798,986.33, 1,102,314.63 and 472,230.77 is: 651,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,986.33 : 1,102,314.63 = 472,230.77 : x
  2. Step 2: Convert to fraction form
    798,986.33/1,102,314.63 = 472,230.77/x
  3. Step 3: Cross multiply
    798,986.33x = 1,102,314.63 × 472,230.77
  4. Step 4: Simplify right side
    798,986.33x = 520,546,880,995.59
  5. Step 5: Solve for x
    x = 520,546,880,995.59/798,986.33
  6. Step 6: Final answer
    x = 651,509.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.