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Finding the Fourth Proportional to 637,192.82, 879,225.32 and 365,208.32

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Solution

The fourth proportional to 637,192.82, 879,225.32 and 365,208.32 is: 503,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,192.82 : 879,225.32 = 365,208.32 : x
  2. Step 2: Convert to fraction form
    637,192.82/879,225.32 = 365,208.32/x
  3. Step 3: Cross multiply
    637,192.82x = 879,225.32 × 365,208.32
  4. Step 4: Simplify right side
    637,192.82x = 321,100,402,018.66
  5. Step 5: Solve for x
    x = 321,100,402,018.66/637,192.82
  6. Step 6: Final answer
    x = 503,929.72

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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.