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Finding the Fourth Proportional to 660,123.96, 910,904.58 and 373,594.16

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Solution

The fourth proportional to 660,123.96, 910,904.58 and 373,594.16 is: 515,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,123.96 : 910,904.58 = 373,594.16 : x
  2. Step 2: Convert to fraction form
    660,123.96/910,904.58 = 373,594.16/x
  3. Step 3: Cross multiply
    660,123.96x = 910,904.58 × 373,594.16
  4. Step 4: Simplify right side
    660,123.96x = 340,308,626,850.73
  5. Step 5: Solve for x
    x = 340,308,626,850.73/660,123.96
  6. Step 6: Final answer
    x = 515,522.31

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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.