Home / 898,526.68-1,240,017.12-490,666.43

Finding the Fourth Proportional to 898,526.68, 1,240,017.12 and 490,666.43

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Solution

The fourth proportional to 898,526.68, 1,240,017.12 and 490,666.43 is: 677,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,526.68 : 1,240,017.12 = 490,666.43 : x
  2. Step 2: Convert to fraction form
    898,526.68/1,240,017.12 = 490,666.43/x
  3. Step 3: Cross multiply
    898,526.68x = 1,240,017.12 × 490,666.43
  4. Step 4: Simplify right side
    898,526.68x = 608,434,776,509.33
  5. Step 5: Solve for x
    x = 608,434,776,509.33/898,526.68
  6. Step 6: Final answer
    x = 677,147.15

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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.