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Finding the Fourth Proportional to 478,875.15, 660,852.20 and 264,022.91

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Solution

The fourth proportional to 478,875.15, 660,852.20 and 264,022.91 is: 364,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,875.15 : 660,852.20 = 264,022.91 : x
  2. Step 2: Convert to fraction form
    478,875.15/660,852.20 = 264,022.91/x
  3. Step 3: Cross multiply
    478,875.15x = 660,852.20 × 264,022.91
  4. Step 4: Simplify right side
    478,875.15x = 174,480,116,299.53
  5. Step 5: Solve for x
    x = 174,480,116,299.53/478,875.15
  6. Step 6: Final answer
    x = 364,354.08

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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.