Home / 684,024.78-943,954.40-373,928.72

Finding the Fourth Proportional to 684,024.78, 943,954.40 and 373,928.72

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Solution

The fourth proportional to 684,024.78, 943,954.40 and 373,928.72 is: 516,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,024.78 : 943,954.40 = 373,928.72 : x
  2. Step 2: Convert to fraction form
    684,024.78/943,954.40 = 373,928.72/x
  3. Step 3: Cross multiply
    684,024.78x = 943,954.40 × 373,928.72
  4. Step 4: Simplify right side
    684,024.78x = 352,971,655,343.19
  5. Step 5: Solve for x
    x = 352,971,655,343.19/684,024.78
  6. Step 6: Final answer
    x = 516,021.74

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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.