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Finding the Fourth Proportional to 630,670.08, 870,253.44 and 362,484.48

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Solution

The fourth proportional to 630,670.08, 870,253.44 and 362,484.48 is: 500,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,670.08 : 870,253.44 = 362,484.48 : x
  2. Step 2: Convert to fraction form
    630,670.08/870,253.44 = 362,484.48/x
  3. Step 3: Cross multiply
    630,670.08x = 870,253.44 × 362,484.48
  4. Step 4: Simplify right side
    630,670.08x = 315,453,365,666.61
  5. Step 5: Solve for x
    x = 315,453,365,666.61/630,670.08
  6. Step 6: Final answer
    x = 500,187.62

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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.