Home / 740,707.74-1,111,528.67-291,370.22

Finding the Fourth Proportional to 740,707.74, 1,111,528.67 and 291,370.22

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Solution

The fourth proportional to 740,707.74, 1,111,528.67 and 291,370.22 is: 437,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,707.74 : 1,111,528.67 = 291,370.22 : x
  2. Step 2: Convert to fraction form
    740,707.74/1,111,528.67 = 291,370.22/x
  3. Step 3: Cross multiply
    740,707.74x = 1,111,528.67 × 291,370.22
  4. Step 4: Simplify right side
    740,707.74x = 323,866,346,099.71
  5. Step 5: Solve for x
    x = 323,866,346,099.71/740,707.74
  6. Step 6: Final answer
    x = 437,239.05

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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.