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Finding the Fourth Proportional to 549,792.32, 758,712.40 and 334,932.38

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Solution

The fourth proportional to 549,792.32, 758,712.40 and 334,932.38 is: 462,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,792.32 : 758,712.40 = 334,932.38 : x
  2. Step 2: Convert to fraction form
    549,792.32/758,712.40 = 334,932.38/x
  3. Step 3: Cross multiply
    549,792.32x = 758,712.40 × 334,932.38
  4. Step 4: Simplify right side
    549,792.32x = 254,117,349,867.51
  5. Step 5: Solve for x
    x = 254,117,349,867.51/549,792.32
  6. Step 6: Final answer
    x = 462,206.07

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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.