Home / 742,973.63-1,025,328.95-416,300.30

Finding the Fourth Proportional to 742,973.63, 1,025,328.95 and 416,300.30

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Solution

The fourth proportional to 742,973.63, 1,025,328.95 and 416,300.30 is: 574,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,973.63 : 1,025,328.95 = 416,300.30 : x
  2. Step 2: Convert to fraction form
    742,973.63/1,025,328.95 = 416,300.30/x
  3. Step 3: Cross multiply
    742,973.63x = 1,025,328.95 × 416,300.30
  4. Step 4: Simplify right side
    742,973.63x = 426,844,742,275.54
  5. Step 5: Solve for x
    x = 426,844,742,275.54/742,973.63
  6. Step 6: Final answer
    x = 574,508.61

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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.