Home / 555,006.06-766,056.38-313,430.04

Finding the Fourth Proportional to 555,006.06, 766,056.38 and 313,430.04

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Solution

The fourth proportional to 555,006.06, 766,056.38 and 313,430.04 is: 432,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,006.06 : 766,056.38 = 313,430.04 : x
  2. Step 2: Convert to fraction form
    555,006.06/766,056.38 = 313,430.04/x
  3. Step 3: Cross multiply
    555,006.06x = 766,056.38 × 313,430.04
  4. Step 4: Simplify right side
    555,006.06x = 240,105,080,258.51
  5. Step 5: Solve for x
    x = 240,105,080,258.51/555,006.06
  6. Step 6: Final answer
    x = 432,617.04

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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.