Home / 630,586.72-870,228.18-344,125.29

Finding the Fourth Proportional to 630,586.72, 870,228.18 and 344,125.29

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Solution

The fourth proportional to 630,586.72, 870,228.18 and 344,125.29 is: 474,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,586.72 : 870,228.18 = 344,125.29 : x
  2. Step 2: Convert to fraction form
    630,586.72/870,228.18 = 344,125.29/x
  3. Step 3: Cross multiply
    630,586.72x = 870,228.18 × 344,125.29
  4. Step 4: Simplify right side
    630,586.72x = 299,467,524,808.67
  5. Step 5: Solve for x
    x = 299,467,524,808.67/630,586.72
  6. Step 6: Final answer
    x = 474,903.00

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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.