Home / 710,518.92-1,066,537.08-305,911.50

Finding the Fourth Proportional to 710,518.92, 1,066,537.08 and 305,911.50

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Solution

The fourth proportional to 710,518.92, 1,066,537.08 and 305,911.50 is: 459,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,518.92 : 1,066,537.08 = 305,911.50 : x
  2. Step 2: Convert to fraction form
    710,518.92/1,066,537.08 = 305,911.50/x
  3. Step 3: Cross multiply
    710,518.92x = 1,066,537.08 × 305,911.50
  4. Step 4: Simplify right side
    710,518.92x = 326,265,957,948.42
  5. Step 5: Solve for x
    x = 326,265,957,948.42/710,518.92
  6. Step 6: Final answer
    x = 459,193.91

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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.