Home / 988,936.08-1,364,758.72-559,280.48

Finding the Fourth Proportional to 988,936.08, 1,364,758.72 and 559,280.48

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Solution

The fourth proportional to 988,936.08, 1,364,758.72 and 559,280.48 is: 771,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,936.08 : 1,364,758.72 = 559,280.48 : x
  2. Step 2: Convert to fraction form
    988,936.08/1,364,758.72 = 559,280.48/x
  3. Step 3: Cross multiply
    988,936.08x = 1,364,758.72 × 559,280.48
  4. Step 4: Simplify right side
    988,936.08x = 763,282,912,005.79
  5. Step 5: Solve for x
    x = 763,282,912,005.79/988,936.08
  6. Step 6: Final answer
    x = 771,822.29

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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.