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Finding the Fourth Proportional to 630,024.23, 869,500.02 and 385,152.32

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Solution

The fourth proportional to 630,024.23, 869,500.02 and 385,152.32 is: 531,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,024.23 : 869,500.02 = 385,152.32 : x
  2. Step 2: Convert to fraction form
    630,024.23/869,500.02 = 385,152.32/x
  3. Step 3: Cross multiply
    630,024.23x = 869,500.02 × 385,152.32
  4. Step 4: Simplify right side
    630,024.23x = 334,889,945,595.55
  5. Step 5: Solve for x
    x = 334,889,945,595.55/630,024.23
  6. Step 6: Final answer
    x = 531,550.90

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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.