Home / 899,631.41-1,349,683.69-323,312.86

Finding the Fourth Proportional to 899,631.41, 1,349,683.69 and 323,312.86

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Solution

The fourth proportional to 899,631.41, 1,349,683.69 and 323,312.86 is: 485,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,631.41 : 1,349,683.69 = 323,312.86 : x
  2. Step 2: Convert to fraction form
    899,631.41/1,349,683.69 = 323,312.86/x
  3. Step 3: Cross multiply
    899,631.41x = 1,349,683.69 × 323,312.86
  4. Step 4: Simplify right side
    899,631.41x = 436,370,096,000.50
  5. Step 5: Solve for x
    x = 436,370,096,000.50/899,631.41
  6. Step 6: Final answer
    x = 485,054.32

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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.