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Finding the Fourth Proportional to 665,094, 917,852.40 and 363,307.44

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Solution

The fourth proportional to 665,094, 917,852.40 and 363,307.44 is: 501,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,094 : 917,852.40 = 363,307.44 : x
  2. Step 2: Convert to fraction form
    665,094/917,852.40 = 363,307.44/x
  3. Step 3: Cross multiply
    665,094x = 917,852.40 × 363,307.44
  4. Step 4: Simplify right side
    665,094x = 333,462,605,741.86
  5. Step 5: Solve for x
    x = 333,462,605,741.86/665,094
  6. Step 6: Final answer
    x = 501,376.66

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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.