Home / 708,155.73-977,255.01-385,865.91

Finding the Fourth Proportional to 708,155.73, 977,255.01 and 385,865.91

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Solution

The fourth proportional to 708,155.73, 977,255.01 and 385,865.91 is: 532,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,155.73 : 977,255.01 = 385,865.91 : x
  2. Step 2: Convert to fraction form
    708,155.73/977,255.01 = 385,865.91/x
  3. Step 3: Cross multiply
    708,155.73x = 977,255.01 × 385,865.91
  4. Step 4: Simplify right side
    708,155.73x = 377,089,393,735.71
  5. Step 5: Solve for x
    x = 377,089,393,735.71/708,155.73
  6. Step 6: Final answer
    x = 532,495.01

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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.