Home / 740,774.70-1,111,210.65-208,313.10

Finding the Fourth Proportional to 740,774.70, 1,111,210.65 and 208,313.10

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Solution

The fourth proportional to 740,774.70, 1,111,210.65 and 208,313.10 is: 312,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,774.70 : 1,111,210.65 = 208,313.10 : x
  2. Step 2: Convert to fraction form
    740,774.70/1,111,210.65 = 208,313.10/x
  3. Step 3: Cross multiply
    740,774.70x = 1,111,210.65 × 208,313.10
  4. Step 4: Simplify right side
    740,774.70x = 231,479,735,254.52
  5. Step 5: Solve for x
    x = 231,479,735,254.52/740,774.70
  6. Step 6: Final answer
    x = 312,483.32

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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.