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Finding the Fourth Proportional to 607,239.60, 910,859.40 and 597,908.40

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Solution

The fourth proportional to 607,239.60, 910,859.40 and 597,908.40 is: 896,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,239.60 : 910,859.40 = 597,908.40 : x
  2. Step 2: Convert to fraction form
    607,239.60/910,859.40 = 597,908.40/x
  3. Step 3: Cross multiply
    607,239.60x = 910,859.40 × 597,908.40
  4. Step 4: Simplify right side
    607,239.60x = 544,610,486,478.96
  5. Step 5: Solve for x
    x = 544,610,486,478.96/607,239.60
  6. Step 6: Final answer
    x = 896,862.60

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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.