Home / 970,114.93-1,338,800.03-540,395.35

Finding the Fourth Proportional to 970,114.93, 1,338,800.03 and 540,395.35

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Solution

The fourth proportional to 970,114.93, 1,338,800.03 and 540,395.35 is: 745,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,114.93 : 1,338,800.03 = 540,395.35 : x
  2. Step 2: Convert to fraction form
    970,114.93/1,338,800.03 = 540,395.35/x
  3. Step 3: Cross multiply
    970,114.93x = 1,338,800.03 × 540,395.35
  4. Step 4: Simplify right side
    970,114.93x = 723,481,308,089.88
  5. Step 5: Solve for x
    x = 723,481,308,089.88/970,114.93
  6. Step 6: Final answer
    x = 745,768.66

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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.