Home / 867,007.20-1,300,510.80-629,234.40

Finding the Fourth Proportional to 867,007.20, 1,300,510.80 and 629,234.40

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Solution

The fourth proportional to 867,007.20, 1,300,510.80 and 629,234.40 is: 943,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,007.20 : 1,300,510.80 = 629,234.40 : x
  2. Step 2: Convert to fraction form
    867,007.20/1,300,510.80 = 629,234.40/x
  3. Step 3: Cross multiply
    867,007.20x = 1,300,510.80 × 629,234.40
  4. Step 4: Simplify right side
    867,007.20x = 818,326,132,931.52
  5. Step 5: Solve for x
    x = 818,326,132,931.52/867,007.20
  6. Step 6: Final answer
    x = 943,851.60

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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.