Home / 949,128.40-1,309,594.64-562,065.52

Finding the Fourth Proportional to 949,128.40, 1,309,594.64 and 562,065.52

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Solution

The fourth proportional to 949,128.40, 1,309,594.64 and 562,065.52 is: 775,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,128.40 : 1,309,594.64 = 562,065.52 : x
  2. Step 2: Convert to fraction form
    949,128.40/1,309,594.64 = 562,065.52/x
  3. Step 3: Cross multiply
    949,128.40x = 1,309,594.64 × 562,065.52
  4. Step 4: Simplify right side
    949,128.40x = 736,077,992,320.81
  5. Step 5: Solve for x
    x = 736,077,992,320.81/949,128.40
  6. Step 6: Final answer
    x = 775,530.47

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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.