Home / 970,378.09-1,339,130.81-534,810.97

Finding the Fourth Proportional to 970,378.09, 1,339,130.81 and 534,810.97

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Solution

The fourth proportional to 970,378.09, 1,339,130.81 and 534,810.97 is: 738,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,378.09 : 1,339,130.81 = 534,810.97 : x
  2. Step 2: Convert to fraction form
    970,378.09/1,339,130.81 = 534,810.97/x
  3. Step 3: Cross multiply
    970,378.09x = 1,339,130.81 × 534,810.97
  4. Step 4: Simplify right side
    970,378.09x = 716,181,847,452.99
  5. Step 5: Solve for x
    x = 716,181,847,452.99/970,378.09
  6. Step 6: Final answer
    x = 738,044.12

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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.