Home / 790,609.34-1,091,035.74-428,032.42

Finding the Fourth Proportional to 790,609.34, 1,091,035.74 and 428,032.42

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Solution

The fourth proportional to 790,609.34, 1,091,035.74 and 428,032.42 is: 590,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,609.34 : 1,091,035.74 = 428,032.42 : x
  2. Step 2: Convert to fraction form
    790,609.34/1,091,035.74 = 428,032.42/x
  3. Step 3: Cross multiply
    790,609.34x = 1,091,035.74 × 428,032.42
  4. Step 4: Simplify right side
    790,609.34x = 466,998,666,976.22
  5. Step 5: Solve for x
    x = 466,998,666,976.22/790,609.34
  6. Step 6: Final answer
    x = 590,681.95

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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.