Home / 890,581.52-1,332,718.88-553,780.77

Finding the Fourth Proportional to 890,581.52, 1,332,718.88 and 553,780.77

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Solution

The fourth proportional to 890,581.52, 1,332,718.88 and 553,780.77 is: 828,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,581.52 : 1,332,718.88 = 553,780.77 : x
  2. Step 2: Convert to fraction form
    890,581.52/1,332,718.88 = 553,780.77/x
  3. Step 3: Cross multiply
    890,581.52x = 1,332,718.88 × 553,780.77
  4. Step 4: Simplify right side
    890,581.52x = 738,034,084,791.03
  5. Step 5: Solve for x
    x = 738,034,084,791.03/890,581.52
  6. Step 6: Final answer
    x = 828,710.31

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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.