Home / 807,580.86-1,114,447.59-468,080.70

Finding the Fourth Proportional to 807,580.86, 1,114,447.59 and 468,080.70

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Solution

The fourth proportional to 807,580.86, 1,114,447.59 and 468,080.70 is: 645,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,580.86 : 1,114,447.59 = 468,080.70 : x
  2. Step 2: Convert to fraction form
    807,580.86/1,114,447.59 = 468,080.70/x
  3. Step 3: Cross multiply
    807,580.86x = 1,114,447.59 × 468,080.70
  4. Step 4: Simplify right side
    807,580.86x = 521,651,408,040.51
  5. Step 5: Solve for x
    x = 521,651,408,040.51/807,580.86
  6. Step 6: Final answer
    x = 645,943.25

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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.