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Finding the Fourth Proportional to 653,313.60, 979,970.40 and 548,337.60

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Solution

The fourth proportional to 653,313.60, 979,970.40 and 548,337.60 is: 822,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,313.60 : 979,970.40 = 548,337.60 : x
  2. Step 2: Convert to fraction form
    653,313.60/979,970.40 = 548,337.60/x
  3. Step 3: Cross multiply
    653,313.60x = 979,970.40 × 548,337.60
  4. Step 4: Simplify right side
    653,313.60x = 537,354,617,207.04
  5. Step 5: Solve for x
    x = 537,354,617,207.04/653,313.60
  6. Step 6: Final answer
    x = 822,506.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.