Home / 803,943.40-1,204,532.70-523,316.20

Finding the Fourth Proportional to 803,943.40, 1,204,532.70 and 523,316.20

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Solution

The fourth proportional to 803,943.40, 1,204,532.70 and 523,316.20 is: 784,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,943.40 : 1,204,532.70 = 523,316.20 : x
  2. Step 2: Convert to fraction form
    803,943.40/1,204,532.70 = 523,316.20/x
  3. Step 3: Cross multiply
    803,943.40x = 1,204,532.70 × 523,316.20
  4. Step 4: Simplify right side
    803,943.40x = 630,351,475,339.74
  5. Step 5: Solve for x
    x = 630,351,475,339.74/803,943.40
  6. Step 6: Final answer
    x = 784,074.45

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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.