Home / 770,395.02-1,063,485.64-460,406.96

Finding the Fourth Proportional to 770,395.02, 1,063,485.64 and 460,406.96

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Solution

The fourth proportional to 770,395.02, 1,063,485.64 and 460,406.96 is: 635,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,395.02 : 1,063,485.64 = 460,406.96 : x
  2. Step 2: Convert to fraction form
    770,395.02/1,063,485.64 = 460,406.96/x
  3. Step 3: Cross multiply
    770,395.02x = 1,063,485.64 × 460,406.96
  4. Step 4: Simplify right side
    770,395.02x = 489,636,190,516.05
  5. Step 5: Solve for x
    x = 489,636,190,516.05/770,395.02
  6. Step 6: Final answer
    x = 635,565.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.