Home / 918,970.22-1,378,521.12-245,047.98

Finding the Fourth Proportional to 918,970.22, 1,378,521.12 and 245,047.98

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Solution

The fourth proportional to 918,970.22, 1,378,521.12 and 245,047.98 is: 367,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,970.22 : 1,378,521.12 = 245,047.98 : x
  2. Step 2: Convert to fraction form
    918,970.22/1,378,521.12 = 245,047.98/x
  3. Step 3: Cross multiply
    918,970.22x = 1,378,521.12 × 245,047.98
  4. Step 4: Simplify right side
    918,970.22x = 337,803,815,843.34
  5. Step 5: Solve for x
    x = 337,803,815,843.34/918,970.22
  6. Step 6: Final answer
    x = 367,589.51

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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.