Home / 830,246.82-1,145,740.61-467,670.67

Finding the Fourth Proportional to 830,246.82, 1,145,740.61 and 467,670.67

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Solution

The fourth proportional to 830,246.82, 1,145,740.61 and 467,670.67 is: 645,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,246.82 : 1,145,740.61 = 467,670.67 : x
  2. Step 2: Convert to fraction form
    830,246.82/1,145,740.61 = 467,670.67/x
  3. Step 3: Cross multiply
    830,246.82x = 1,145,740.61 × 467,670.67
  4. Step 4: Simplify right side
    830,246.82x = 535,829,282,641.00
  5. Step 5: Solve for x
    x = 535,829,282,641.00/830,246.82
  6. Step 6: Final answer
    x = 645,385.53

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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.