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Finding the Fourth Proportional to 634,370.94, 875,457.18 and 347,901.48

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Solution

The fourth proportional to 634,370.94, 875,457.18 and 347,901.48 is: 480,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,370.94 : 875,457.18 = 347,901.48 : x
  2. Step 2: Convert to fraction form
    634,370.94/875,457.18 = 347,901.48/x
  3. Step 3: Cross multiply
    634,370.94x = 875,457.18 × 347,901.48
  4. Step 4: Simplify right side
    634,370.94x = 304,572,848,598.63
  5. Step 5: Solve for x
    x = 304,572,848,598.63/634,370.94
  6. Step 6: Final answer
    x = 480,117.91

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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.