Home / 970,141.03-1,338,834.95-540,421.04

Finding the Fourth Proportional to 970,141.03, 1,338,834.95 and 540,421.04

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Solution

The fourth proportional to 970,141.03, 1,338,834.95 and 540,421.04 is: 745,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,141.03 : 1,338,834.95 = 540,421.04 : x
  2. Step 2: Convert to fraction form
    970,141.03/1,338,834.95 = 540,421.04/x
  3. Step 3: Cross multiply
    970,141.03x = 1,338,834.95 × 540,421.04
  4. Step 4: Simplify right side
    970,141.03x = 723,534,576,067.35
  5. Step 5: Solve for x
    x = 723,534,576,067.35/970,141.03
  6. Step 6: Final answer
    x = 745,803.50

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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.