Home / 520,444.06-780,668.52-160,610.47

Finding the Fourth Proportional to 520,444.06, 780,668.52 and 160,610.47

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Solution

The fourth proportional to 520,444.06, 780,668.52 and 160,610.47 is: 240,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,444.06 : 780,668.52 = 160,610.47 : x
  2. Step 2: Convert to fraction form
    520,444.06/780,668.52 = 160,610.47/x
  3. Step 3: Cross multiply
    520,444.06x = 780,668.52 × 160,610.47
  4. Step 4: Simplify right side
    520,444.06x = 125,383,537,911.40
  5. Step 5: Solve for x
    x = 125,383,537,911.40/520,444.06
  6. Step 6: Final answer
    x = 240,916.45

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1.5x scale

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.