Home / 869,008.40-1,303,512.60-603,587.60

Finding the Fourth Proportional to 869,008.40, 1,303,512.60 and 603,587.60

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Solution

The fourth proportional to 869,008.40, 1,303,512.60 and 603,587.60 is: 905,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,008.40 : 1,303,512.60 = 603,587.60 : x
  2. Step 2: Convert to fraction form
    869,008.40/1,303,512.60 = 603,587.60/x
  3. Step 3: Cross multiply
    869,008.40x = 1,303,512.60 × 603,587.60
  4. Step 4: Simplify right side
    869,008.40x = 786,784,041,803.76
  5. Step 5: Solve for x
    x = 786,784,041,803.76/869,008.40
  6. Step 6: Final answer
    x = 905,381.40

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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.