Home / 692,647.30-1,036,607.77-580,454.20

Finding the Fourth Proportional to 692,647.30, 1,036,607.77 and 580,454.20

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Solution

The fourth proportional to 692,647.30, 1,036,607.77 and 580,454.20 is: 868,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,647.30 : 1,036,607.77 = 580,454.20 : x
  2. Step 2: Convert to fraction form
    692,647.30/1,036,607.77 = 580,454.20/x
  3. Step 3: Cross multiply
    692,647.30x = 1,036,607.77 × 580,454.20
  4. Step 4: Simplify right side
    692,647.30x = 601,703,333,849.13
  5. Step 5: Solve for x
    x = 601,703,333,849.13/692,647.30
  6. Step 6: Final answer
    x = 868,700.90

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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.