Home / 970,475.28-1,339,237.80-540,746.16

Finding the Fourth Proportional to 970,475.28, 1,339,237.80 and 540,746.16

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Solution

The fourth proportional to 970,475.28, 1,339,237.80 and 540,746.16 is: 746,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,475.28 : 1,339,237.80 = 540,746.16 : x
  2. Step 2: Convert to fraction form
    970,475.28/1,339,237.80 = 540,746.16/x
  3. Step 3: Cross multiply
    970,475.28x = 1,339,237.80 × 540,746.16
  4. Step 4: Simplify right side
    970,475.28x = 724,187,697,676.85
  5. Step 5: Solve for x
    x = 724,187,697,676.85/970,475.28
  6. Step 6: Final answer
    x = 746,219.62

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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.