Home / 918,030.57-1,266,856.83-510,121.86

Finding the Fourth Proportional to 918,030.57, 1,266,856.83 and 510,121.86

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Solution

The fourth proportional to 918,030.57, 1,266,856.83 and 510,121.86 is: 703,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,030.57 : 1,266,856.83 = 510,121.86 : x
  2. Step 2: Convert to fraction form
    918,030.57/1,266,856.83 = 510,121.86/x
  3. Step 3: Cross multiply
    918,030.57x = 1,266,856.83 × 510,121.86
  4. Step 4: Simplify right side
    918,030.57x = 646,251,362,473.30
  5. Step 5: Solve for x
    x = 646,251,362,473.30/918,030.57
  6. Step 6: Final answer
    x = 703,954.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.