Home / 515,011.79-772,739.12-248,972.35

Finding the Fourth Proportional to 515,011.79, 772,739.12 and 248,972.35

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Solution

The fourth proportional to 515,011.79, 772,739.12 and 248,972.35 is: 373,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,011.79 : 772,739.12 = 248,972.35 : x
  2. Step 2: Convert to fraction form
    515,011.79/772,739.12 = 248,972.35/x
  3. Step 3: Cross multiply
    515,011.79x = 772,739.12 × 248,972.35
  4. Step 4: Simplify right side
    515,011.79x = 192,390,674,020.90
  5. Step 5: Solve for x
    x = 192,390,674,020.90/515,011.79
  6. Step 6: Final answer
    x = 373,565.57

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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.