Home / 875,183.15-1,207,748.22-507,734.60

Finding the Fourth Proportional to 875,183.15, 1,207,748.22 and 507,734.60

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Solution

The fourth proportional to 875,183.15, 1,207,748.22 and 507,734.60 is: 700,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,183.15 : 1,207,748.22 = 507,734.60 : x
  2. Step 2: Convert to fraction form
    875,183.15/1,207,748.22 = 507,734.60/x
  3. Step 3: Cross multiply
    875,183.15x = 1,207,748.22 × 507,734.60
  4. Step 4: Simplify right side
    875,183.15x = 613,215,553,343.67
  5. Step 5: Solve for x
    x = 613,215,553,343.67/875,183.15
  6. Step 6: Final answer
    x = 700,671.12

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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.