Home / 478,913.40-660,899.93-264,056.85

Finding the Fourth Proportional to 478,913.40, 660,899.93 and 264,056.85

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Solution

The fourth proportional to 478,913.40, 660,899.93 and 264,056.85 is: 364,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,913.40 : 660,899.93 = 264,056.85 : x
  2. Step 2: Convert to fraction form
    478,913.40/660,899.93 = 264,056.85/x
  3. Step 3: Cross multiply
    478,913.40x = 660,899.93 × 264,056.85
  4. Step 4: Simplify right side
    478,913.40x = 174,515,152,360.74
  5. Step 5: Solve for x
    x = 174,515,152,360.74/478,913.40
  6. Step 6: Final answer
    x = 364,398.14

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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.