Home / 974,898.78-1,345,698.53-669,984.50

Finding the Fourth Proportional to 974,898.78, 1,345,698.53 and 669,984.50

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Solution

The fourth proportional to 974,898.78, 1,345,698.53 and 669,984.50 is: 924,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,898.78 : 1,345,698.53 = 669,984.50 : x
  2. Step 2: Convert to fraction form
    974,898.78/1,345,698.53 = 669,984.50/x
  3. Step 3: Cross multiply
    974,898.78x = 1,345,698.53 × 669,984.50
  4. Step 4: Simplify right side
    974,898.78x = 901,597,153,422.86
  5. Step 5: Solve for x
    x = 901,597,153,422.86/974,898.78
  6. Step 6: Final answer
    x = 924,811.04

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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.