Home / 740,713.80-1,111,070.70-291,285.30

Finding the Fourth Proportional to 740,713.80, 1,111,070.70 and 291,285.30

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Solution

The fourth proportional to 740,713.80, 1,111,070.70 and 291,285.30 is: 436,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,713.80 : 1,111,070.70 = 291,285.30 : x
  2. Step 2: Convert to fraction form
    740,713.80/1,111,070.70 = 291,285.30/x
  3. Step 3: Cross multiply
    740,713.80x = 1,111,070.70 × 291,285.30
  4. Step 4: Simplify right side
    740,713.80x = 323,638,562,170.71
  5. Step 5: Solve for x
    x = 323,638,562,170.71/740,713.80
  6. Step 6: Final answer
    x = 436,927.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.