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Finding the Fourth Proportional to 630,888.04, 870,624.66 and 404,533

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Solution

The fourth proportional to 630,888.04, 870,624.66 and 404,533 is: 558,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,888.04 : 870,624.66 = 404,533 : x
  2. Step 2: Convert to fraction form
    630,888.04/870,624.66 = 404,533/x
  3. Step 3: Cross multiply
    630,888.04x = 870,624.66 × 404,533
  4. Step 4: Simplify right side
    630,888.04x = 352,196,405,583.78
  5. Step 5: Solve for x
    x = 352,196,405,583.78/630,888.04
  6. Step 6: Final answer
    x = 558,255.00

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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.