Home / 709,003.40-1,063,602.30-235,639.40

Finding the Fourth Proportional to 709,003.40, 1,063,602.30 and 235,639.40

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Solution

The fourth proportional to 709,003.40, 1,063,602.30 and 235,639.40 is: 353,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,003.40 : 1,063,602.30 = 235,639.40 : x
  2. Step 2: Convert to fraction form
    709,003.40/1,063,602.30 = 235,639.40/x
  3. Step 3: Cross multiply
    709,003.40x = 1,063,602.30 × 235,639.40
  4. Step 4: Simplify right side
    709,003.40x = 250,626,607,810.62
  5. Step 5: Solve for x
    x = 250,626,607,810.62/709,003.40
  6. Step 6: Final answer
    x = 353,491.40

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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.