Home / 473,630.81-653,619.92-258,784.20

Finding the Fourth Proportional to 473,630.81, 653,619.92 and 258,784.20

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Solution

The fourth proportional to 473,630.81, 653,619.92 and 258,784.20 is: 357,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,630.81 : 653,619.92 = 258,784.20 : x
  2. Step 2: Convert to fraction form
    473,630.81/653,619.92 = 258,784.20/x
  3. Step 3: Cross multiply
    473,630.81x = 653,619.92 × 258,784.20
  4. Step 4: Simplify right side
    473,630.81x = 169,146,506,807.34
  5. Step 5: Solve for x
    x = 169,146,506,807.34/473,630.81
  6. Step 6: Final answer
    x = 357,127.33

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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.