Home / 709,601.06-1,063,477.46-288,384.50

Finding the Fourth Proportional to 709,601.06, 1,063,477.46 and 288,384.50

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Solution

The fourth proportional to 709,601.06, 1,063,477.46 and 288,384.50 is: 432,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,601.06 : 1,063,477.46 = 288,384.50 : x
  2. Step 2: Convert to fraction form
    709,601.06/1,063,477.46 = 288,384.50/x
  3. Step 3: Cross multiply
    709,601.06x = 1,063,477.46 × 288,384.50
  4. Step 4: Simplify right side
    709,601.06x = 306,690,415,563.37
  5. Step 5: Solve for x
    x = 306,690,415,563.37/709,601.06
  6. Step 6: Final answer
    x = 432,201.18

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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.