Home / 558,971.24-771,341.38-317,258.72

Finding the Fourth Proportional to 558,971.24, 771,341.38 and 317,258.72

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Solution

The fourth proportional to 558,971.24, 771,341.38 and 317,258.72 is: 437,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,971.24 : 771,341.38 = 317,258.72 : x
  2. Step 2: Convert to fraction form
    558,971.24/771,341.38 = 317,258.72/x
  3. Step 3: Cross multiply
    558,971.24x = 771,341.38 × 317,258.72
  4. Step 4: Simplify right side
    558,971.24x = 244,714,778,901.83
  5. Step 5: Solve for x
    x = 244,714,778,901.83/558,971.24
  6. Step 6: Final answer
    x = 437,794.94

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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.