Home / 771,730.12-1,157,867.34-239,385.16

Finding the Fourth Proportional to 771,730.12, 1,157,867.34 and 239,385.16

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Solution

The fourth proportional to 771,730.12, 1,157,867.34 and 239,385.16 is: 359,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,730.12 : 1,157,867.34 = 239,385.16 : x
  2. Step 2: Convert to fraction form
    771,730.12/1,157,867.34 = 239,385.16/x
  3. Step 3: Cross multiply
    771,730.12x = 1,157,867.34 × 239,385.16
  4. Step 4: Simplify right side
    771,730.12x = 277,176,258,444.67
  5. Step 5: Solve for x
    x = 277,176,258,444.67/771,730.12
  6. Step 6: Final answer
    x = 359,162.16

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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.