Home / 715,454.80-1,075,255.80-624,216.40

Finding the Fourth Proportional to 715,454.80, 1,075,255.80 and 624,216.40

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Solution

The fourth proportional to 715,454.80, 1,075,255.80 and 624,216.40 is: 938,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,454.80 : 1,075,255.80 = 624,216.40 : x
  2. Step 2: Convert to fraction form
    715,454.80/1,075,255.80 = 624,216.40/x
  3. Step 3: Cross multiply
    715,454.80x = 1,075,255.80 × 624,216.40
  4. Step 4: Simplify right side
    715,454.80x = 671,192,304,555.12
  5. Step 5: Solve for x
    x = 671,192,304,555.12/715,454.80
  6. Step 6: Final answer
    x = 938,133.76

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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.