Home / 514,659.93-771,984.30-210,986.36

Finding the Fourth Proportional to 514,659.93, 771,984.30 and 210,986.36

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Solution

The fourth proportional to 514,659.93, 771,984.30 and 210,986.36 is: 316,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,659.93 : 771,984.30 = 210,986.36 : x
  2. Step 2: Convert to fraction form
    514,659.93/771,984.30 = 210,986.36/x
  3. Step 3: Cross multiply
    514,659.93x = 771,984.30 × 210,986.36
  4. Step 4: Simplify right side
    514,659.93x = 162,878,157,434.15
  5. Step 5: Solve for x
    x = 162,878,157,434.15/514,659.93
  6. Step 6: Final answer
    x = 316,477.25

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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.