Home / 785,883.60-1,084,504.68-437,045.40

Finding the Fourth Proportional to 785,883.60, 1,084,504.68 and 437,045.40

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Solution

The fourth proportional to 785,883.60, 1,084,504.68 and 437,045.40 is: 603,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,883.60 : 1,084,504.68 = 437,045.40 : x
  2. Step 2: Convert to fraction form
    785,883.60/1,084,504.68 = 437,045.40/x
  3. Step 3: Cross multiply
    785,883.60x = 1,084,504.68 × 437,045.40
  4. Step 4: Simplify right side
    785,883.60x = 473,977,781,672.47
  5. Step 5: Solve for x
    x = 473,977,781,672.47/785,883.60
  6. Step 6: Final answer
    x = 603,114.48

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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.