Home / 743,476.50-1,112,801.95-401,444.45

Finding the Fourth Proportional to 743,476.50, 1,112,801.95 and 401,444.45

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Solution

The fourth proportional to 743,476.50, 1,112,801.95 and 401,444.45 is: 600,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,476.50 : 1,112,801.95 = 401,444.45 : x
  2. Step 2: Convert to fraction form
    743,476.50/1,112,801.95 = 401,444.45/x
  3. Step 3: Cross multiply
    743,476.50x = 1,112,801.95 × 401,444.45
  4. Step 4: Simplify right side
    743,476.50x = 446,728,166,776.68
  5. Step 5: Solve for x
    x = 446,728,166,776.68/743,476.50
  6. Step 6: Final answer
    x = 600,863.87

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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.