Home / 715,425.30-1,075,211.55-624,186.90

Finding the Fourth Proportional to 715,425.30, 1,075,211.55 and 624,186.90

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Solution

The fourth proportional to 715,425.30, 1,075,211.55 and 624,186.90 is: 938,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,425.30 : 1,075,211.55 = 624,186.90 : x
  2. Step 2: Convert to fraction form
    715,425.30/1,075,211.55 = 624,186.90/x
  3. Step 3: Cross multiply
    715,425.30x = 1,075,211.55 × 624,186.90
  4. Step 4: Simplify right side
    715,425.30x = 671,132,964,238.70
  5. Step 5: Solve for x
    x = 671,132,964,238.70/715,425.30
  6. Step 6: Final answer
    x = 938,089.50

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Double scale
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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.