Home / 875,989.75-1,312,280.37-575,557.51

Finding the Fourth Proportional to 875,989.75, 1,312,280.37 and 575,557.51

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Solution

The fourth proportional to 875,989.75, 1,312,280.37 and 575,557.51 is: 862,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,989.75 : 1,312,280.37 = 575,557.51 : x
  2. Step 2: Convert to fraction form
    875,989.75/1,312,280.37 = 575,557.51/x
  3. Step 3: Cross multiply
    875,989.75x = 1,312,280.37 × 575,557.51
  4. Step 4: Simplify right side
    875,989.75x = 755,292,822,179.08
  5. Step 5: Solve for x
    x = 755,292,822,179.08/875,989.75
  6. Step 6: Final answer
    x = 862,216.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.