Home / 759,861.53-1,139,792.06-286,436.17

Finding the Fourth Proportional to 759,861.53, 1,139,792.06 and 286,436.17

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Solution

The fourth proportional to 759,861.53, 1,139,792.06 and 286,436.17 is: 429,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,861.53 : 1,139,792.06 = 286,436.17 : x
  2. Step 2: Convert to fraction form
    759,861.53/1,139,792.06 = 286,436.17/x
  3. Step 3: Cross multiply
    759,861.53x = 1,139,792.06 × 286,436.17
  4. Step 4: Simplify right side
    759,861.53x = 326,477,674,403.64
  5. Step 5: Solve for x
    x = 326,477,674,403.64/759,861.53
  6. Step 6: Final answer
    x = 429,654.17

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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.