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Finding the Fourth Proportional to 478,888.04, 718,776.48 and 242,398.28

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Solution

The fourth proportional to 478,888.04, 718,776.48 and 242,398.28 is: 363,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,888.04 : 718,776.48 = 242,398.28 : x
  2. Step 2: Convert to fraction form
    478,888.04/718,776.48 = 242,398.28/x
  3. Step 3: Cross multiply
    478,888.04x = 718,776.48 × 242,398.28
  4. Step 4: Simplify right side
    478,888.04x = 174,230,182,456.45
  5. Step 5: Solve for x
    x = 174,230,182,456.45/478,888.04
  6. Step 6: Final answer
    x = 363,822.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.