Home / 779,583.45-1,169,485.89-239,884.50

Finding the Fourth Proportional to 779,583.45, 1,169,485.89 and 239,884.50

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Solution

The fourth proportional to 779,583.45, 1,169,485.89 and 239,884.50 is: 359,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,583.45 : 1,169,485.89 = 239,884.50 : x
  2. Step 2: Convert to fraction form
    779,583.45/1,169,485.89 = 239,884.50/x
  3. Step 3: Cross multiply
    779,583.45x = 1,169,485.89 × 239,884.50
  4. Step 4: Simplify right side
    779,583.45x = 280,541,537,979.71
  5. Step 5: Solve for x
    x = 280,541,537,979.71/779,583.45
  6. Step 6: Final answer
    x = 359,860.82

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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.