Home / 970,376.48-1,339,128.83-534,809.63

Finding the Fourth Proportional to 970,376.48, 1,339,128.83 and 534,809.63

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Solution

The fourth proportional to 970,376.48, 1,339,128.83 and 534,809.63 is: 738,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,376.48 : 1,339,128.83 = 534,809.63 : x
  2. Step 2: Convert to fraction form
    970,376.48/1,339,128.83 = 534,809.63/x
  3. Step 3: Cross multiply
    970,376.48x = 1,339,128.83 × 534,809.63
  4. Step 4: Simplify right side
    970,376.48x = 716,178,984,724.94
  5. Step 5: Solve for x
    x = 716,178,984,724.94/970,376.48
  6. Step 6: Final answer
    x = 738,042.40

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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.