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Finding the Fourth Proportional to 499,219.63, 688,971.54 and 295,336.24

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Solution

The fourth proportional to 499,219.63, 688,971.54 and 295,336.24 is: 407,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,219.63 : 688,971.54 = 295,336.24 : x
  2. Step 2: Convert to fraction form
    499,219.63/688,971.54 = 295,336.24/x
  3. Step 3: Cross multiply
    499,219.63x = 688,971.54 × 295,336.24
  4. Step 4: Simplify right side
    499,219.63x = 203,478,264,090.61
  5. Step 5: Solve for x
    x = 203,478,264,090.61/499,219.63
  6. Step 6: Final answer
    x = 407,592.67

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1.5x scale

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.