Home / 346,965.82-478,548.60-298,649.92

Finding the Fourth Proportional to 346,965.82, 478,548.60 and 298,649.92

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Solution

The fourth proportional to 346,965.82, 478,548.60 and 298,649.92 is: 411,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,965.82 : 478,548.60 = 298,649.92 : x
  2. Step 2: Convert to fraction form
    346,965.82/478,548.60 = 298,649.92/x
  3. Step 3: Cross multiply
    346,965.82x = 478,548.60 × 298,649.92
  4. Step 4: Simplify right side
    346,965.82x = 142,918,501,106.11
  5. Step 5: Solve for x
    x = 142,918,501,106.11/346,965.82
  6. Step 6: Final answer
    x = 411,909.45

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1.5x scale

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.