Home / 808,275.07-1,115,395.73-445,698.83

Finding the Fourth Proportional to 808,275.07, 1,115,395.73 and 445,698.83

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Solution

The fourth proportional to 808,275.07, 1,115,395.73 and 445,698.83 is: 615,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,275.07 : 1,115,395.73 = 445,698.83 : x
  2. Step 2: Convert to fraction form
    808,275.07/1,115,395.73 = 445,698.83/x
  3. Step 3: Cross multiply
    808,275.07x = 1,115,395.73 × 445,698.83
  4. Step 4: Simplify right side
    808,275.07x = 497,130,569,619.50
  5. Step 5: Solve for x
    x = 497,130,569,619.50/808,275.07
  6. Step 6: Final answer
    x = 615,051.23

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Double scale
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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.