Home / 776,711.02-1,071,792.93-432,520.96

Finding the Fourth Proportional to 776,711.02, 1,071,792.93 and 432,520.96

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Solution

The fourth proportional to 776,711.02, 1,071,792.93 and 432,520.96 is: 596,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,711.02 : 1,071,792.93 = 432,520.96 : x
  2. Step 2: Convert to fraction form
    776,711.02/1,071,792.93 = 432,520.96/x
  3. Step 3: Cross multiply
    776,711.02x = 1,071,792.93 × 432,520.96
  4. Step 4: Simplify right side
    776,711.02x = 463,572,907,004.81
  5. Step 5: Solve for x
    x = 463,572,907,004.81/776,711.02
  6. Step 6: Final answer
    x = 596,840.90

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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.