Home / 740,809.20-1,111,732.20-475,215.60

Finding the Fourth Proportional to 740,809.20, 1,111,732.20 and 475,215.60

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Solution

The fourth proportional to 740,809.20, 1,111,732.20 and 475,215.60 is: 713,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,809.20 : 1,111,732.20 = 475,215.60 : x
  2. Step 2: Convert to fraction form
    740,809.20/1,111,732.20 = 475,215.60/x
  3. Step 3: Cross multiply
    740,809.20x = 1,111,732.20 × 475,215.60
  4. Step 4: Simplify right side
    740,809.20x = 528,312,484,462.32
  5. Step 5: Solve for x
    x = 528,312,484,462.32/740,809.20
  6. Step 6: Final answer
    x = 713,155.94

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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.