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Finding the Fourth Proportional to 647,535.80, 971,303.70 and 584,550.20

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Solution

The fourth proportional to 647,535.80, 971,303.70 and 584,550.20 is: 876,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,535.80 : 971,303.70 = 584,550.20 : x
  2. Step 2: Convert to fraction form
    647,535.80/971,303.70 = 584,550.20/x
  3. Step 3: Cross multiply
    647,535.80x = 971,303.70 × 584,550.20
  4. Step 4: Simplify right side
    647,535.80x = 567,775,772,095.74
  5. Step 5: Solve for x
    x = 567,775,772,095.74/647,535.80
  6. Step 6: Final answer
    x = 876,825.30

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Double scale
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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.