Home / 963,905.90-1,445,599.65-402,824.30

Finding the Fourth Proportional to 963,905.90, 1,445,599.65 and 402,824.30

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Solution

The fourth proportional to 963,905.90, 1,445,599.65 and 402,824.30 is: 604,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,905.90 : 1,445,599.65 = 402,824.30 : x
  2. Step 2: Convert to fraction form
    963,905.90/1,445,599.65 = 402,824.30/x
  3. Step 3: Cross multiply
    963,905.90x = 1,445,599.65 × 402,824.30
  4. Step 4: Simplify right side
    963,905.90x = 582,322,667,091.50
  5. Step 5: Solve for x
    x = 582,322,667,091.50/963,905.90
  6. Step 6: Final answer
    x = 604,128.13

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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.