Home / 786,587.60-1,084,874.21-538,376.67

Finding the Fourth Proportional to 786,587.60, 1,084,874.21 and 538,376.67

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Solution

The fourth proportional to 786,587.60, 1,084,874.21 and 538,376.67 is: 742,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,587.60 : 1,084,874.21 = 538,376.67 : x
  2. Step 2: Convert to fraction form
    786,587.60/1,084,874.21 = 538,376.67/x
  3. Step 3: Cross multiply
    786,587.60x = 1,084,874.21 × 538,376.67
  4. Step 4: Simplify right side
    786,587.60x = 584,070,961,856.80
  5. Step 5: Solve for x
    x = 584,070,961,856.80/786,587.60
  6. Step 6: Final answer
    x = 742,537.72

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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.