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Finding the Fourth Proportional to 607,784.60, 912,497.70 and 355,323.80

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Solution

The fourth proportional to 607,784.60, 912,497.70 and 355,323.80 is: 533,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,784.60 : 912,497.70 = 355,323.80 : x
  2. Step 2: Convert to fraction form
    607,784.60/912,497.70 = 355,323.80/x
  3. Step 3: Cross multiply
    607,784.60x = 912,497.70 × 355,323.80
  4. Step 4: Simplify right side
    607,784.60x = 324,232,150,255.26
  5. Step 5: Solve for x
    x = 324,232,150,255.26/607,784.60
  6. Step 6: Final answer
    x = 533,465.56

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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.