Home / 712,064.71-1,068,094.36-291,340.45

Finding the Fourth Proportional to 712,064.71, 1,068,094.36 and 291,340.45

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Solution

The fourth proportional to 712,064.71, 1,068,094.36 and 291,340.45 is: 437,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,064.71 : 1,068,094.36 = 291,340.45 : x
  2. Step 2: Convert to fraction form
    712,064.71/1,068,094.36 = 291,340.45/x
  3. Step 3: Cross multiply
    712,064.71x = 1,068,094.36 × 291,340.45
  4. Step 4: Simplify right side
    712,064.71x = 311,179,091,484.86
  5. Step 5: Solve for x
    x = 311,179,091,484.86/712,064.71
  6. Step 6: Final answer
    x = 437,009.57

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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.