Home / 646,216.80-968,876.32-286,191.46

Finding the Fourth Proportional to 646,216.80, 968,876.32 and 286,191.46

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Solution

The fourth proportional to 646,216.80, 968,876.32 and 286,191.46 is: 429,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,216.80 : 968,876.32 = 286,191.46 : x
  2. Step 2: Convert to fraction form
    646,216.80/968,876.32 = 286,191.46/x
  3. Step 3: Cross multiply
    646,216.80x = 968,876.32 × 286,191.46
  4. Step 4: Simplify right side
    646,216.80x = 277,284,131,002.42
  5. Step 5: Solve for x
    x = 277,284,131,002.42/646,216.80
  6. Step 6: Final answer
    x = 429,088.40

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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.