Home / 435,827.89-653,347.27-302,770.45

Finding the Fourth Proportional to 435,827.89, 653,347.27 and 302,770.45

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Solution

The fourth proportional to 435,827.89, 653,347.27 and 302,770.45 is: 453,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,827.89 : 653,347.27 = 302,770.45 : x
  2. Step 2: Convert to fraction form
    435,827.89/653,347.27 = 302,770.45/x
  3. Step 3: Cross multiply
    435,827.89x = 653,347.27 × 302,770.45
  4. Step 4: Simplify right side
    435,827.89x = 197,814,246,944.17
  5. Step 5: Solve for x
    x = 197,814,246,944.17/435,827.89
  6. Step 6: Final answer
    x = 453,881.57

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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.