Home / 830,868.65-1,246,302.90-262,648.83

Finding the Fourth Proportional to 830,868.65, 1,246,302.90 and 262,648.83

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Solution

The fourth proportional to 830,868.65, 1,246,302.90 and 262,648.83 is: 393,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,868.65 : 1,246,302.90 = 262,648.83 : x
  2. Step 2: Convert to fraction form
    830,868.65/1,246,302.90 = 262,648.83/x
  3. Step 3: Cross multiply
    830,868.65x = 1,246,302.90 × 262,648.83
  4. Step 4: Simplify right side
    830,868.65x = 327,339,998,510.61
  5. Step 5: Solve for x
    x = 327,339,998,510.61/830,868.65
  6. Step 6: Final answer
    x = 393,973.22

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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.