Home / 692,448.88-1,038,807.98-265,953.50

Finding the Fourth Proportional to 692,448.88, 1,038,807.98 and 265,953.50

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Solution

The fourth proportional to 692,448.88, 1,038,807.98 and 265,953.50 is: 398,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,448.88 : 1,038,807.98 = 265,953.50 : x
  2. Step 2: Convert to fraction form
    692,448.88/1,038,807.98 = 265,953.50/x
  3. Step 3: Cross multiply
    692,448.88x = 1,038,807.98 × 265,953.50
  4. Step 4: Simplify right side
    692,448.88x = 276,274,618,108.93
  5. Step 5: Solve for x
    x = 276,274,618,108.93/692,448.88
  6. Step 6: Final answer
    x = 398,981.97

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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.