Home / 554,927.40-832,391.10-318,075.30

Finding the Fourth Proportional to 554,927.40, 832,391.10 and 318,075.30

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Solution

The fourth proportional to 554,927.40, 832,391.10 and 318,075.30 is: 477,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,927.40 : 832,391.10 = 318,075.30 : x
  2. Step 2: Convert to fraction form
    554,927.40/832,391.10 = 318,075.30/x
  3. Step 3: Cross multiply
    554,927.40x = 832,391.10 × 318,075.30
  4. Step 4: Simplify right side
    554,927.40x = 264,763,048,849.83
  5. Step 5: Solve for x
    x = 264,763,048,849.83/554,927.40
  6. Step 6: Final answer
    x = 477,112.95

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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.