Home / 992,771.68-1,370,018.64-540,064.48

Finding the Fourth Proportional to 992,771.68, 1,370,018.64 and 540,064.48

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Solution

The fourth proportional to 992,771.68, 1,370,018.64 and 540,064.48 is: 745,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,771.68 : 1,370,018.64 = 540,064.48 : x
  2. Step 2: Convert to fraction form
    992,771.68/1,370,018.64 = 540,064.48/x
  3. Step 3: Cross multiply
    992,771.68x = 1,370,018.64 × 540,064.48
  4. Step 4: Simplify right side
    992,771.68x = 739,898,404,401.91
  5. Step 5: Solve for x
    x = 739,898,404,401.91/992,771.68
  6. Step 6: Final answer
    x = 745,285.57

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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.