Home / 735,870.90-1,015,511.00-445,478.61

Finding the Fourth Proportional to 735,870.90, 1,015,511.00 and 445,478.61

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Solution

The fourth proportional to 735,870.90, 1,015,511.00 and 445,478.61 is: 614,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,870.90 : 1,015,511.00 = 445,478.61 : x
  2. Step 2: Convert to fraction form
    735,870.90/1,015,511.00 = 445,478.61/x
  3. Step 3: Cross multiply
    735,870.90x = 1,015,511.00 × 445,478.61
  4. Step 4: Simplify right side
    735,870.90x = 452,388,426,492.32
  5. Step 5: Solve for x
    x = 452,388,426,492.32/735,870.90
  6. Step 6: Final answer
    x = 614,766.02

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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.