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Finding the Fourth Proportional to 802,926, 1,108,037.88 and 445,230

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Solution

The fourth proportional to 802,926, 1,108,037.88 and 445,230 is: 614,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,926 : 1,108,037.88 = 445,230 : x
  2. Step 2: Convert to fraction form
    802,926/1,108,037.88 = 445,230/x
  3. Step 3: Cross multiply
    802,926x = 1,108,037.88 × 445,230
  4. Step 4: Simplify right side
    802,926x = 493,331,705,312.40
  5. Step 5: Solve for x
    x = 493,331,705,312.40/802,926
  6. Step 6: Final answer
    x = 614,417.40

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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.