Home / 634,812.03-876,038.16-348,336.90

Finding the Fourth Proportional to 634,812.03, 876,038.16 and 348,336.90

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Solution

The fourth proportional to 634,812.03, 876,038.16 and 348,336.90 is: 480,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,812.03 : 876,038.16 = 348,336.90 : x
  2. Step 2: Convert to fraction form
    634,812.03/876,038.16 = 348,336.90/x
  3. Step 3: Cross multiply
    634,812.03x = 876,038.16 × 348,336.90
  4. Step 4: Simplify right side
    634,812.03x = 305,156,416,936.10
  5. Step 5: Solve for x
    x = 305,156,416,936.10/634,812.03
  6. Step 6: Final answer
    x = 480,703.58

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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.