Home / 554,438.02-831,746.70-217,295.76

Finding the Fourth Proportional to 554,438.02, 831,746.70 and 217,295.76

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Solution

The fourth proportional to 554,438.02, 831,746.70 and 217,295.76 is: 325,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,438.02 : 831,746.70 = 217,295.76 : x
  2. Step 2: Convert to fraction form
    554,438.02/831,746.70 = 217,295.76/x
  3. Step 3: Cross multiply
    554,438.02x = 831,746.70 × 217,295.76
  4. Step 4: Simplify right side
    554,438.02x = 180,735,031,303.99
  5. Step 5: Solve for x
    x = 180,735,031,303.99/554,438.02
  6. Step 6: Final answer
    x = 325,978.78

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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.