Home / 970,589.70-1,339,423.50-535,022.50

Finding the Fourth Proportional to 970,589.70, 1,339,423.50 and 535,022.50

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Solution

The fourth proportional to 970,589.70, 1,339,423.50 and 535,022.50 is: 738,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,589.70 : 1,339,423.50 = 535,022.50 : x
  2. Step 2: Convert to fraction form
    970,589.70/1,339,423.50 = 535,022.50/x
  3. Step 3: Cross multiply
    970,589.70x = 1,339,423.50 × 535,022.50
  4. Step 4: Simplify right side
    970,589.70x = 716,621,709,528.75
  5. Step 5: Solve for x
    x = 716,621,709,528.75/970,589.70
  6. Step 6: Final answer
    x = 738,336.40

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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.