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Finding the Fourth Proportional to 655,479.17, 904,647.48 and 369,055.07

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Solution

The fourth proportional to 655,479.17, 904,647.48 and 369,055.07 is: 509,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,479.17 : 904,647.48 = 369,055.07 : x
  2. Step 2: Convert to fraction form
    655,479.17/904,647.48 = 369,055.07/x
  3. Step 3: Cross multiply
    655,479.17x = 904,647.48 × 369,055.07
  4. Step 4: Simplify right side
    655,479.17x = 333,864,739,056.72
  5. Step 5: Solve for x
    x = 333,864,739,056.72/655,479.17
  6. Step 6: Final answer
    x = 509,344.54

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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.