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Finding the Fourth Proportional to 530,012.41, 731,547.04 and 300,703.92

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Solution

The fourth proportional to 530,012.41, 731,547.04 and 300,703.92 is: 415,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,012.41 : 731,547.04 = 300,703.92 : x
  2. Step 2: Convert to fraction form
    530,012.41/731,547.04 = 300,703.92/x
  3. Step 3: Cross multiply
    530,012.41x = 731,547.04 × 300,703.92
  4. Step 4: Simplify right side
    530,012.41x = 219,979,062,592.40
  5. Step 5: Solve for x
    x = 219,979,062,592.40/530,012.41
  6. Step 6: Final answer
    x = 415,045.12

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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.