Home / 692,145.70-1,038,024.15-218,976.10

Finding the Fourth Proportional to 692,145.70, 1,038,024.15 and 218,976.10

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Solution

The fourth proportional to 692,145.70, 1,038,024.15 and 218,976.10 is: 328,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,145.70 : 1,038,024.15 = 218,976.10 : x
  2. Step 2: Convert to fraction form
    692,145.70/1,038,024.15 = 218,976.10/x
  3. Step 3: Cross multiply
    692,145.70x = 1,038,024.15 × 218,976.10
  4. Step 4: Simplify right side
    692,145.70x = 227,302,480,072.82
  5. Step 5: Solve for x
    x = 227,302,480,072.82/692,145.70
  6. Step 6: Final answer
    x = 328,402.65

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1.5x scale

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.