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Finding the Fourth Proportional to 655,573.68, 904,708.71 and 369,104.22

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Solution

The fourth proportional to 655,573.68, 904,708.71 and 369,104.22 is: 509,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,573.68 : 904,708.71 = 369,104.22 : x
  2. Step 2: Convert to fraction form
    655,573.68/904,708.71 = 369,104.22/x
  3. Step 3: Cross multiply
    655,573.68x = 904,708.71 × 369,104.22
  4. Step 4: Simplify right side
    655,573.68x = 333,931,802,731.76
  5. Step 5: Solve for x
    x = 333,931,802,731.76/655,573.68
  6. Step 6: Final answer
    x = 509,373.41

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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.