Home / 875,989.25-1,312,279.62-575,557.01

Finding the Fourth Proportional to 875,989.25, 1,312,279.62 and 575,557.01

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Solution

The fourth proportional to 875,989.25, 1,312,279.62 and 575,557.01 is: 862,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,989.25 : 1,312,279.62 = 575,557.01 : x
  2. Step 2: Convert to fraction form
    875,989.25/1,312,279.62 = 575,557.01/x
  3. Step 3: Cross multiply
    875,989.25x = 1,312,279.62 × 575,557.01
  4. Step 4: Simplify right side
    875,989.25x = 755,291,727,809.74
  5. Step 5: Solve for x
    x = 755,291,727,809.74/875,989.25
  6. Step 6: Final answer
    x = 862,215.75

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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.