Home / 652,569.12-900,948.60-435,083.76

Finding the Fourth Proportional to 652,569.12, 900,948.60 and 435,083.76

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Solution

The fourth proportional to 652,569.12, 900,948.60 and 435,083.76 is: 600,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,569.12 : 900,948.60 = 435,083.76 : x
  2. Step 2: Convert to fraction form
    652,569.12/900,948.60 = 435,083.76/x
  3. Step 3: Cross multiply
    652,569.12x = 900,948.60 × 435,083.76
  4. Step 4: Simplify right side
    652,569.12x = 391,988,104,454.74
  5. Step 5: Solve for x
    x = 391,988,104,454.74/652,569.12
  6. Step 6: Final answer
    x = 600,684.42

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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.