Home / 947,442.40-1,421,724.32-348,824.32

Finding the Fourth Proportional to 947,442.40, 1,421,724.32 and 348,824.32

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Solution

The fourth proportional to 947,442.40, 1,421,724.32 and 348,824.32 is: 523,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,442.40 : 1,421,724.32 = 348,824.32 : x
  2. Step 2: Convert to fraction form
    947,442.40/1,421,724.32 = 348,824.32/x
  3. Step 3: Cross multiply
    947,442.40x = 1,421,724.32 × 348,824.32
  4. Step 4: Simplify right side
    947,442.40x = 495,932,019,151.46
  5. Step 5: Solve for x
    x = 495,932,019,151.46/947,442.40
  6. Step 6: Final answer
    x = 523,442.92

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1.5x scale

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.