Home / 784,947.70-1,177,421.55-470,019.70

Finding the Fourth Proportional to 784,947.70, 1,177,421.55 and 470,019.70

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Solution

The fourth proportional to 784,947.70, 1,177,421.55 and 470,019.70 is: 705,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,947.70 : 1,177,421.55 = 470,019.70 : x
  2. Step 2: Convert to fraction form
    784,947.70/1,177,421.55 = 470,019.70/x
  3. Step 3: Cross multiply
    784,947.70x = 1,177,421.55 × 470,019.70
  4. Step 4: Simplify right side
    784,947.70x = 553,411,323,704.54
  5. Step 5: Solve for x
    x = 553,411,323,704.54/784,947.70
  6. Step 6: Final answer
    x = 705,029.55

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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.