Home / 898,526.64-1,240,017.30-490,666.44

Finding the Fourth Proportional to 898,526.64, 1,240,017.30 and 490,666.44

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Solution

The fourth proportional to 898,526.64, 1,240,017.30 and 490,666.44 is: 677,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,526.64 : 1,240,017.30 = 490,666.44 : x
  2. Step 2: Convert to fraction form
    898,526.64/1,240,017.30 = 490,666.44/x
  3. Step 3: Cross multiply
    898,526.64x = 1,240,017.30 × 490,666.44
  4. Step 4: Simplify right side
    898,526.64x = 608,434,874,129.41
  5. Step 5: Solve for x
    x = 608,434,874,129.41/898,526.64
  6. Step 6: Final answer
    x = 677,147.28

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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.