Home / 784,220.40-1,176,330.60-698,599.35

Finding the Fourth Proportional to 784,220.40, 1,176,330.60 and 698,599.35

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Solution

The fourth proportional to 784,220.40, 1,176,330.60 and 698,599.35 is: 1,047,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,220.40 : 1,176,330.60 = 698,599.35 : x
  2. Step 2: Convert to fraction form
    784,220.40/1,176,330.60 = 698,599.35/x
  3. Step 3: Cross multiply
    784,220.40x = 1,176,330.60 × 698,599.35
  4. Step 4: Simplify right side
    784,220.40x = 821,783,792,545.11
  5. Step 5: Solve for x
    x = 821,783,792,545.11/784,220.40
  6. Step 6: Final answer
    x = 1,047,899.03

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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.