Home / 616,922.48-851,011.08-358,771.16

Finding the Fourth Proportional to 616,922.48, 851,011.08 and 358,771.16

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Solution

The fourth proportional to 616,922.48, 851,011.08 and 358,771.16 is: 494,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,922.48 : 851,011.08 = 358,771.16 : x
  2. Step 2: Convert to fraction form
    616,922.48/851,011.08 = 358,771.16/x
  3. Step 3: Cross multiply
    616,922.48x = 851,011.08 × 358,771.16
  4. Step 4: Simplify right side
    616,922.48x = 305,318,232,344.45
  5. Step 5: Solve for x
    x = 305,318,232,344.45/616,922.48
  6. Step 6: Final answer
    x = 494,905.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.