Home / 738,266.54-1,107,492.21-288,929.39

Finding the Fourth Proportional to 738,266.54, 1,107,492.21 and 288,929.39

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Solution

The fourth proportional to 738,266.54, 1,107,492.21 and 288,929.39 is: 433,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,266.54 : 1,107,492.21 = 288,929.39 : x
  2. Step 2: Convert to fraction form
    738,266.54/1,107,492.21 = 288,929.39/x
  3. Step 3: Cross multiply
    738,266.54x = 1,107,492.21 × 288,929.39
  4. Step 4: Simplify right side
    738,266.54x = 319,987,043,127.59
  5. Step 5: Solve for x
    x = 319,987,043,127.59/738,266.54
  6. Step 6: Final answer
    x = 433,430.24

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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.