Home / 583,890.60-805,774.86-342,316.20

Finding the Fourth Proportional to 583,890.60, 805,774.86 and 342,316.20

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Solution

The fourth proportional to 583,890.60, 805,774.86 and 342,316.20 is: 472,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,890.60 : 805,774.86 = 342,316.20 : x
  2. Step 2: Convert to fraction form
    583,890.60/805,774.86 = 342,316.20/x
  3. Step 3: Cross multiply
    583,890.60x = 805,774.86 × 342,316.20
  4. Step 4: Simplify right side
    583,890.60x = 275,829,788,130.73
  5. Step 5: Solve for x
    x = 275,829,788,130.73/583,890.60
  6. Step 6: Final answer
    x = 472,399.78

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1.5x scale

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.