Home / 848,457.86-1,170,802.60-499,543.20

Finding the Fourth Proportional to 848,457.86, 1,170,802.60 and 499,543.20

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Solution

The fourth proportional to 848,457.86, 1,170,802.60 and 499,543.20 is: 689,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,457.86 : 1,170,802.60 = 499,543.20 : x
  2. Step 2: Convert to fraction form
    848,457.86/1,170,802.60 = 499,543.20/x
  3. Step 3: Cross multiply
    848,457.86x = 1,170,802.60 × 499,543.20
  4. Step 4: Simplify right side
    848,457.86x = 584,866,469,020.59
  5. Step 5: Solve for x
    x = 584,866,469,020.59/848,457.86
  6. Step 6: Final answer
    x = 689,328.84

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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.