Home / 772,769.73-1,159,430.40-469,780.32

Finding the Fourth Proportional to 772,769.73, 1,159,430.40 and 469,780.32

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Solution

The fourth proportional to 772,769.73, 1,159,430.40 and 469,780.32 is: 704,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,769.73 : 1,159,430.40 = 469,780.32 : x
  2. Step 2: Convert to fraction form
    772,769.73/1,159,430.40 = 469,780.32/x
  3. Step 3: Cross multiply
    772,769.73x = 1,159,430.40 × 469,780.32
  4. Step 4: Simplify right side
    772,769.73x = 544,677,584,329.73
  5. Step 5: Solve for x
    x = 544,677,584,329.73/772,769.73
  6. Step 6: Final answer
    x = 704,838.15

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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.