Home / 1,020,350.32-1,530,470.80-310,323.00

Finding the Fourth Proportional to 1,020,350.32, 1,530,470.80 and 310,323.00

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Solution

The fourth proportional to 1,020,350.32, 1,530,470.80 and 310,323.00 is: 465,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,350.32 : 1,530,470.80 = 310,323.00 : x
  2. Step 2: Convert to fraction form
    1,020,350.32/1,530,470.80 = 310,323.00/x
  3. Step 3: Cross multiply
    1,020,350.32x = 1,530,470.80 × 310,323.00
  4. Step 4: Simplify right side
    1,020,350.32x = 474,940,287,586.67
  5. Step 5: Solve for x
    x = 474,940,287,586.67/1,020,350.32
  6. Step 6: Final answer
    x = 465,467.87

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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.