Home / 744,389.21-1,117,043.10-344,955.53

Finding the Fourth Proportional to 744,389.21, 1,117,043.10 and 344,955.53

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Solution

The fourth proportional to 744,389.21, 1,117,043.10 and 344,955.53 is: 517,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,389.21 : 1,117,043.10 = 344,955.53 : x
  2. Step 2: Convert to fraction form
    744,389.21/1,117,043.10 = 344,955.53/x
  3. Step 3: Cross multiply
    744,389.21x = 1,117,043.10 × 344,955.53
  4. Step 4: Simplify right side
    744,389.21x = 385,330,197,385.95
  5. Step 5: Solve for x
    x = 385,330,197,385.95/744,389.21
  6. Step 6: Final answer
    x = 517,646.13

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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.