Home / 498,623.85-692,746.07-492,645.14

Finding the Fourth Proportional to 498,623.85, 692,746.07 and 492,645.14

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Solution

The fourth proportional to 498,623.85, 692,746.07 and 492,645.14 is: 684,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,623.85 : 692,746.07 = 492,645.14 : x
  2. Step 2: Convert to fraction form
    498,623.85/692,746.07 = 492,645.14/x
  3. Step 3: Cross multiply
    498,623.85x = 692,746.07 × 492,645.14
  4. Step 4: Simplify right side
    498,623.85x = 341,277,984,081.57
  5. Step 5: Solve for x
    x = 341,277,984,081.57/498,623.85
  6. Step 6: Final answer
    x = 684,439.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.