Home / 999,401.40-1,499,009.94-334,559.16

Finding the Fourth Proportional to 999,401.40, 1,499,009.94 and 334,559.16

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Solution

The fourth proportional to 999,401.40, 1,499,009.94 and 334,559.16 is: 501,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,401.40 : 1,499,009.94 = 334,559.16 : x
  2. Step 2: Convert to fraction form
    999,401.40/1,499,009.94 = 334,559.16/x
  3. Step 3: Cross multiply
    999,401.40x = 1,499,009.94 × 334,559.16
  4. Step 4: Simplify right side
    999,401.40x = 501,507,506,358.05
  5. Step 5: Solve for x
    x = 501,507,506,358.05/999,401.40
  6. Step 6: Final answer
    x = 501,807.89

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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.