Home / 898,594.56-1,240,062.64-490,697.20

Finding the Fourth Proportional to 898,594.56, 1,240,062.64 and 490,697.20

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Solution

The fourth proportional to 898,594.56, 1,240,062.64 and 490,697.20 is: 677,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,594.56 : 1,240,062.64 = 490,697.20 : x
  2. Step 2: Convert to fraction form
    898,594.56/1,240,062.64 = 490,697.20/x
  3. Step 3: Cross multiply
    898,594.56x = 1,240,062.64 × 490,697.20
  4. Step 4: Simplify right side
    898,594.56x = 608,495,265,272.61
  5. Step 5: Solve for x
    x = 608,495,265,272.61/898,594.56
  6. Step 6: Final answer
    x = 677,163.31

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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.