Home / 784,803.84-1,082,996.64-445,290.72

Finding the Fourth Proportional to 784,803.84, 1,082,996.64 and 445,290.72

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Solution

The fourth proportional to 784,803.84, 1,082,996.64 and 445,290.72 is: 614,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,803.84 : 1,082,996.64 = 445,290.72 : x
  2. Step 2: Convert to fraction form
    784,803.84/1,082,996.64 = 445,290.72/x
  3. Step 3: Cross multiply
    784,803.84x = 1,082,996.64 × 445,290.72
  4. Step 4: Simplify right side
    784,803.84x = 482,248,353,583.18
  5. Step 5: Solve for x
    x = 482,248,353,583.18/784,803.84
  6. Step 6: Final answer
    x = 614,482.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.