Home / 851,482.19-1,174,985.39-469,500.77

Finding the Fourth Proportional to 851,482.19, 1,174,985.39 and 469,500.77

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Solution

The fourth proportional to 851,482.19, 1,174,985.39 and 469,500.77 is: 647,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,482.19 : 1,174,985.39 = 469,500.77 : x
  2. Step 2: Convert to fraction form
    851,482.19/1,174,985.39 = 469,500.77/x
  3. Step 3: Cross multiply
    851,482.19x = 1,174,985.39 × 469,500.77
  4. Step 4: Simplify right side
    851,482.19x = 551,656,549,454.97
  5. Step 5: Solve for x
    x = 551,656,549,454.97/851,482.19
  6. Step 6: Final answer
    x = 647,877.96

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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.