Home / 875,284.77-1,207,989.10-507,842.85

Finding the Fourth Proportional to 875,284.77, 1,207,989.10 and 507,842.85

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Solution

The fourth proportional to 875,284.77, 1,207,989.10 and 507,842.85 is: 700,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,284.77 : 1,207,989.10 = 507,842.85 : x
  2. Step 2: Convert to fraction form
    875,284.77/1,207,989.10 = 507,842.85/x
  3. Step 3: Cross multiply
    875,284.77x = 1,207,989.10 × 507,842.85
  4. Step 4: Simplify right side
    875,284.77x = 613,468,627,312.94
  5. Step 5: Solve for x
    x = 613,468,627,312.94/875,284.77
  6. Step 6: Final answer
    x = 700,878.90

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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.