Home / 740,019.30-1,109,700.90-340,454.40

Finding the Fourth Proportional to 740,019.30, 1,109,700.90 and 340,454.40

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Solution

The fourth proportional to 740,019.30, 1,109,700.90 and 340,454.40 is: 510,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,019.30 : 1,109,700.90 = 340,454.40 : x
  2. Step 2: Convert to fraction form
    740,019.30/1,109,700.90 = 340,454.40/x
  3. Step 3: Cross multiply
    740,019.30x = 1,109,700.90 × 340,454.40
  4. Step 4: Simplify right side
    740,019.30x = 377,802,554,088.96
  5. Step 5: Solve for x
    x = 377,802,554,088.96/740,019.30
  6. Step 6: Final answer
    x = 510,530.68

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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.