Home / 790,585.30-1,187,058.96-778,775.50

Finding the Fourth Proportional to 790,585.30, 1,187,058.96 and 778,775.50

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Solution

The fourth proportional to 790,585.30, 1,187,058.96 and 778,775.50 is: 1,169,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,585.30 : 1,187,058.96 = 778,775.50 : x
  2. Step 2: Convert to fraction form
    790,585.30/1,187,058.96 = 778,775.50/x
  3. Step 3: Cross multiply
    790,585.30x = 1,187,058.96 × 778,775.50
  4. Step 4: Simplify right side
    790,585.30x = 924,452,435,103.48
  5. Step 5: Solve for x
    x = 924,452,435,103.48/790,585.30
  6. Step 6: Final answer
    x = 1,169,326.62

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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.