Home / 890,583.14-1,332,721.31-553,782.40

Finding the Fourth Proportional to 890,583.14, 1,332,721.31 and 553,782.40

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Solution

The fourth proportional to 890,583.14, 1,332,721.31 and 553,782.40 is: 828,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,583.14 : 1,332,721.31 = 553,782.40 : x
  2. Step 2: Convert to fraction form
    890,583.14/1,332,721.31 = 553,782.40/x
  3. Step 3: Cross multiply
    890,583.14x = 1,332,721.31 × 553,782.40
  4. Step 4: Simplify right side
    890,583.14x = 738,037,605,582.94
  5. Step 5: Solve for x
    x = 738,037,605,582.94/890,583.14
  6. Step 6: Final answer
    x = 828,712.75

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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.