Home / 985,730.08-1,360,306.56-533,020

Finding the Fourth Proportional to 985,730.08, 1,360,306.56 and 533,020

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Solution

The fourth proportional to 985,730.08, 1,360,306.56 and 533,020 is: 735,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,730.08 : 1,360,306.56 = 533,020 : x
  2. Step 2: Convert to fraction form
    985,730.08/1,360,306.56 = 533,020/x
  3. Step 3: Cross multiply
    985,730.08x = 1,360,306.56 × 533,020
  4. Step 4: Simplify right side
    985,730.08x = 725,070,602,611.20
  5. Step 5: Solve for x
    x = 725,070,602,611.20/985,730.08
  6. Step 6: Final answer
    x = 735,567.09

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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.