Home / 743,477.50-1,112,803.45-401,445.45

Finding the Fourth Proportional to 743,477.50, 1,112,803.45 and 401,445.45

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Solution

The fourth proportional to 743,477.50, 1,112,803.45 and 401,445.45 is: 600,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,477.50 : 1,112,803.45 = 401,445.45 : x
  2. Step 2: Convert to fraction form
    743,477.50/1,112,803.45 = 401,445.45/x
  3. Step 3: Cross multiply
    743,477.50x = 1,112,803.45 × 401,445.45
  4. Step 4: Simplify right side
    743,477.50x = 446,729,881,746.80
  5. Step 5: Solve for x
    x = 446,729,881,746.80/743,477.50
  6. Step 6: Final answer
    x = 600,865.37

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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.