Home / 738,268.54-1,107,495.21-288,931.39

Finding the Fourth Proportional to 738,268.54, 1,107,495.21 and 288,931.39

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Solution

The fourth proportional to 738,268.54, 1,107,495.21 and 288,931.39 is: 433,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,268.54 : 1,107,495.21 = 288,931.39 : x
  2. Step 2: Convert to fraction form
    738,268.54/1,107,495.21 = 288,931.39/x
  3. Step 3: Cross multiply
    738,268.54x = 1,107,495.21 × 288,931.39
  4. Step 4: Simplify right side
    738,268.54x = 319,990,130,443.64
  5. Step 5: Solve for x
    x = 319,990,130,443.64/738,268.54
  6. Step 6: Final answer
    x = 433,433.25

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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.