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Finding the Fourth Proportional to 675,304.18, 931,007.80 and 433,166.42

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Solution

The fourth proportional to 675,304.18, 931,007.80 and 433,166.42 is: 597,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,304.18 : 931,007.80 = 433,166.42 : x
  2. Step 2: Convert to fraction form
    675,304.18/931,007.80 = 433,166.42/x
  3. Step 3: Cross multiply
    675,304.18x = 931,007.80 × 433,166.42
  4. Step 4: Simplify right side
    675,304.18x = 403,281,315,718.08
  5. Step 5: Solve for x
    x = 403,281,315,718.08/675,304.18
  6. Step 6: Final answer
    x = 597,184.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.