Home / 759,495.55-1,138,572.88-286,513.06

Finding the Fourth Proportional to 759,495.55, 1,138,572.88 and 286,513.06

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Solution

The fourth proportional to 759,495.55, 1,138,572.88 and 286,513.06 is: 429,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,495.55 : 1,138,572.88 = 286,513.06 : x
  2. Step 2: Convert to fraction form
    759,495.55/1,138,572.88 = 286,513.06/x
  3. Step 3: Cross multiply
    759,495.55x = 1,138,572.88 × 286,513.06
  4. Step 4: Simplify right side
    759,495.55x = 326,215,999,881.81
  5. Step 5: Solve for x
    x = 326,215,999,881.81/759,495.55
  6. Step 6: Final answer
    x = 429,516.67

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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.