Home / 848,382.85-1,170,646.47-499,315.69

Finding the Fourth Proportional to 848,382.85, 1,170,646.47 and 499,315.69

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Solution

The fourth proportional to 848,382.85, 1,170,646.47 and 499,315.69 is: 688,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,382.85 : 1,170,646.47 = 499,315.69 : x
  2. Step 2: Convert to fraction form
    848,382.85/1,170,646.47 = 499,315.69/x
  3. Step 3: Cross multiply
    848,382.85x = 1,170,646.47 × 499,315.69
  4. Step 4: Simplify right side
    848,382.85x = 584,522,149,914.11
  5. Step 5: Solve for x
    x = 584,522,149,914.11/848,382.85
  6. Step 6: Final answer
    x = 688,983.93

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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.