Home / 970,678.08-1,455,076.71-371,177.64

Finding the Fourth Proportional to 970,678.08, 1,455,076.71 and 371,177.64

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Solution

The fourth proportional to 970,678.08, 1,455,076.71 and 371,177.64 is: 556,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,678.08 : 1,455,076.71 = 371,177.64 : x
  2. Step 2: Convert to fraction form
    970,678.08/1,455,076.71 = 371,177.64/x
  3. Step 3: Cross multiply
    970,678.08x = 1,455,076.71 × 371,177.64
  4. Step 4: Simplify right side
    970,678.08x = 540,091,939,236.76
  5. Step 5: Solve for x
    x = 540,091,939,236.76/970,678.08
  6. Step 6: Final answer
    x = 556,406.86

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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.