Home / 859,361.12-1,289,130.96-410,006.24

Finding the Fourth Proportional to 859,361.12, 1,289,130.96 and 410,006.24

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Solution

The fourth proportional to 859,361.12, 1,289,130.96 and 410,006.24 is: 615,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,361.12 : 1,289,130.96 = 410,006.24 : x
  2. Step 2: Convert to fraction form
    859,361.12/1,289,130.96 = 410,006.24/x
  3. Step 3: Cross multiply
    859,361.12x = 1,289,130.96 × 410,006.24
  4. Step 4: Simplify right side
    859,361.12x = 528,551,737,777.19
  5. Step 5: Solve for x
    x = 528,551,737,777.19/859,361.12
  6. Step 6: Final answer
    x = 615,051.96

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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.