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Finding the Fourth Proportional to 630,852.04, 870,542.56 and 344,316.52

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Solution

The fourth proportional to 630,852.04, 870,542.56 and 344,316.52 is: 475,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,852.04 : 870,542.56 = 344,316.52 : x
  2. Step 2: Convert to fraction form
    630,852.04/870,542.56 = 344,316.52/x
  3. Step 3: Cross multiply
    630,852.04x = 870,542.56 × 344,316.52
  4. Step 4: Simplify right side
    630,852.04x = 299,742,184,771.09
  5. Step 5: Solve for x
    x = 299,742,184,771.09/630,852.04
  6. Step 6: Final answer
    x = 475,138.65

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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.