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Finding the Fourth Proportional to 611,657.55, 917,486.33 and 602,800.20

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Solution

The fourth proportional to 611,657.55, 917,486.33 and 602,800.20 is: 904,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,657.55 : 917,486.33 = 602,800.20 : x
  2. Step 2: Convert to fraction form
    611,657.55/917,486.33 = 602,800.20/x
  3. Step 3: Cross multiply
    611,657.55x = 917,486.33 × 602,800.20
  4. Step 4: Simplify right side
    611,657.55x = 553,060,940,207.27
  5. Step 5: Solve for x
    x = 553,060,940,207.27/611,657.55
  6. Step 6: Final answer
    x = 904,200.30

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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.