Home / 478,969.90-660,983.07-264,117.58

Finding the Fourth Proportional to 478,969.90, 660,983.07 and 264,117.58

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Solution

The fourth proportional to 478,969.90, 660,983.07 and 264,117.58 is: 364,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,969.90 : 660,983.07 = 264,117.58 : x
  2. Step 2: Convert to fraction form
    478,969.90/660,983.07 = 264,117.58/x
  3. Step 3: Cross multiply
    478,969.90x = 660,983.07 × 264,117.58
  4. Step 4: Simplify right side
    478,969.90x = 174,577,248,869.37
  5. Step 5: Solve for x
    x = 174,577,248,869.37/478,969.90
  6. Step 6: Final answer
    x = 364,484.80

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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.