Home / 670,050.95-1,005,176.05-220,688.87

Finding the Fourth Proportional to 670,050.95, 1,005,176.05 and 220,688.87

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Solution

The fourth proportional to 670,050.95, 1,005,176.05 and 220,688.87 is: 331,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,050.95 : 1,005,176.05 = 220,688.87 : x
  2. Step 2: Convert to fraction form
    670,050.95/1,005,176.05 = 220,688.87/x
  3. Step 3: Cross multiply
    670,050.95x = 1,005,176.05 × 220,688.87
  4. Step 4: Simplify right side
    670,050.95x = 221,831,161,047.96
  5. Step 5: Solve for x
    x = 221,831,161,047.96/670,050.95
  6. Step 6: Final answer
    x = 331,066.11

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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.