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Finding the Fourth Proportional to 899,902.16, 1,349,342.04 and 366,798.80

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Solution

The fourth proportional to 899,902.16, 1,349,342.04 and 366,798.80 is: 549,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,902.16 : 1,349,342.04 = 366,798.80 : x
  2. Step 2: Convert to fraction form
    899,902.16/1,349,342.04 = 366,798.80/x
  3. Step 3: Cross multiply
    899,902.16x = 1,349,342.04 × 366,798.80
  4. Step 4: Simplify right side
    899,902.16x = 494,937,041,061.55
  5. Step 5: Solve for x
    x = 494,937,041,061.55/899,902.16
  6. Step 6: Final answer
    x = 549,989.84

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Double scale
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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.