Home / 970,089.30-1,338,746.61-540,376.26

Finding the Fourth Proportional to 970,089.30, 1,338,746.61 and 540,376.26

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Solution

The fourth proportional to 970,089.30, 1,338,746.61 and 540,376.26 is: 745,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,089.30 : 1,338,746.61 = 540,376.26 : x
  2. Step 2: Convert to fraction form
    970,089.30/1,338,746.61 = 540,376.26/x
  3. Step 3: Cross multiply
    970,089.30x = 1,338,746.61 × 540,376.26
  4. Step 4: Simplify right side
    970,089.30x = 723,426,886,199.48
  5. Step 5: Solve for x
    x = 723,426,886,199.48/970,089.30
  6. Step 6: Final answer
    x = 745,732.26

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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.