Home / 875,999.90-1,313,999.85-593,990.30

Finding the Fourth Proportional to 875,999.90, 1,313,999.85 and 593,990.30

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Solution

The fourth proportional to 875,999.90, 1,313,999.85 and 593,990.30 is: 890,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,999.90 : 1,313,999.85 = 593,990.30 : x
  2. Step 2: Convert to fraction form
    875,999.90/1,313,999.85 = 593,990.30/x
  3. Step 3: Cross multiply
    875,999.90x = 1,313,999.85 × 593,990.30
  4. Step 4: Simplify right side
    875,999.90x = 780,503,165,101.46
  5. Step 5: Solve for x
    x = 780,503,165,101.46/875,999.90
  6. Step 6: Final answer
    x = 890,985.45

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1.5x scale

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.