Home / 738,332.88-1,106,721.72-382,969.68

Finding the Fourth Proportional to 738,332.88, 1,106,721.72 and 382,969.68

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Solution

The fourth proportional to 738,332.88, 1,106,721.72 and 382,969.68 is: 574,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,332.88 : 1,106,721.72 = 382,969.68 : x
  2. Step 2: Convert to fraction form
    738,332.88/1,106,721.72 = 382,969.68/x
  3. Step 3: Cross multiply
    738,332.88x = 1,106,721.72 × 382,969.68
  4. Step 4: Simplify right side
    738,332.88x = 423,840,862,957.45
  5. Step 5: Solve for x
    x = 423,840,862,957.45/738,332.88
  6. Step 6: Final answer
    x = 574,051.18

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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.