Home / 970,142.04-1,338,836.34-540,422.04

Finding the Fourth Proportional to 970,142.04, 1,338,836.34 and 540,422.04

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Solution

The fourth proportional to 970,142.04, 1,338,836.34 and 540,422.04 is: 745,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,142.04 : 1,338,836.34 = 540,422.04 : x
  2. Step 2: Convert to fraction form
    970,142.04/1,338,836.34 = 540,422.04/x
  3. Step 3: Cross multiply
    970,142.04x = 1,338,836.34 × 540,422.04
  4. Step 4: Simplify right side
    970,142.04x = 723,536,666,088.93
  5. Step 5: Solve for x
    x = 723,536,666,088.93/970,142.04
  6. Step 6: Final answer
    x = 745,804.88

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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.