Home / 891,290.02-1,337,783.94-553,307.80

Finding the Fourth Proportional to 891,290.02, 1,337,783.94 and 553,307.80

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Solution

The fourth proportional to 891,290.02, 1,337,783.94 and 553,307.80 is: 830,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,290.02 : 1,337,783.94 = 553,307.80 : x
  2. Step 2: Convert to fraction form
    891,290.02/1,337,783.94 = 553,307.80/x
  3. Step 3: Cross multiply
    891,290.02x = 1,337,783.94 × 553,307.80
  4. Step 4: Simplify right side
    891,290.02x = 740,206,288,716.73
  5. Step 5: Solve for x
    x = 740,206,288,716.73/891,290.02
  6. Step 6: Final answer
    x = 830,488.70

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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.