Home / 910,003.80-1,365,005.70-437,611.80

Finding the Fourth Proportional to 910,003.80, 1,365,005.70 and 437,611.80

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Solution

The fourth proportional to 910,003.80, 1,365,005.70 and 437,611.80 is: 656,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,003.80 : 1,365,005.70 = 437,611.80 : x
  2. Step 2: Convert to fraction form
    910,003.80/1,365,005.70 = 437,611.80/x
  3. Step 3: Cross multiply
    910,003.80x = 1,365,005.70 × 437,611.80
  4. Step 4: Simplify right side
    910,003.80x = 597,342,601,387.26
  5. Step 5: Solve for x
    x = 597,342,601,387.26/910,003.80
  6. Step 6: Final answer
    x = 656,417.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.