Home / 738,252.80-1,107,321.60-288,886.40

Finding the Fourth Proportional to 738,252.80, 1,107,321.60 and 288,886.40

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Solution

The fourth proportional to 738,252.80, 1,107,321.60 and 288,886.40 is: 433,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,252.80 : 1,107,321.60 = 288,886.40 : x
  2. Step 2: Convert to fraction form
    738,252.80/1,107,321.60 = 288,886.40/x
  3. Step 3: Cross multiply
    738,252.80x = 1,107,321.60 × 288,886.40
  4. Step 4: Simplify right side
    738,252.80x = 319,890,150,666.24
  5. Step 5: Solve for x
    x = 319,890,150,666.24/738,252.80
  6. Step 6: Final answer
    x = 433,307.06

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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.