Home / 767,683.07-1,151,190.17-407,775.16

Finding the Fourth Proportional to 767,683.07, 1,151,190.17 and 407,775.16

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Solution

The fourth proportional to 767,683.07, 1,151,190.17 and 407,775.16 is: 611,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,683.07 : 1,151,190.17 = 407,775.16 : x
  2. Step 2: Convert to fraction form
    767,683.07/1,151,190.17 = 407,775.16/x
  3. Step 3: Cross multiply
    767,683.07x = 1,151,190.17 × 407,775.16
  4. Step 4: Simplify right side
    767,683.07x = 469,426,755,762.18
  5. Step 5: Solve for x
    x = 469,426,755,762.18/767,683.07
  6. Step 6: Final answer
    x = 611,485.10

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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.