Home / 890,575.88-1,332,710.43-553,775.15

Finding the Fourth Proportional to 890,575.88, 1,332,710.43 and 553,775.15

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Solution

The fourth proportional to 890,575.88, 1,332,710.43 and 553,775.15 is: 828,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,575.88 : 1,332,710.43 = 553,775.15 : x
  2. Step 2: Convert to fraction form
    890,575.88/1,332,710.43 = 553,775.15/x
  3. Step 3: Cross multiply
    890,575.88x = 1,332,710.43 × 553,775.15
  4. Step 4: Simplify right side
    890,575.88x = 738,021,911,616.26
  5. Step 5: Solve for x
    x = 738,021,911,616.26/890,575.88
  6. Step 6: Final answer
    x = 828,701.89

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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.