Home / 759,465.92-1,139,316.96-253,870.40

Finding the Fourth Proportional to 759,465.92, 1,139,316.96 and 253,870.40

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Solution

The fourth proportional to 759,465.92, 1,139,316.96 and 253,870.40 is: 380,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,465.92 : 1,139,316.96 = 253,870.40 : x
  2. Step 2: Convert to fraction form
    759,465.92/1,139,316.96 = 253,870.40/x
  3. Step 3: Cross multiply
    759,465.92x = 1,139,316.96 × 253,870.40
  4. Step 4: Simplify right side
    759,465.92x = 289,238,852,361.98
  5. Step 5: Solve for x
    x = 289,238,852,361.98/759,465.92
  6. Step 6: Final answer
    x = 380,845.07

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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.