Home / 770,262.96-1,062,991.80-430,730.40

Finding the Fourth Proportional to 770,262.96, 1,062,991.80 and 430,730.40

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Solution

The fourth proportional to 770,262.96, 1,062,991.80 and 430,730.40 is: 594,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,262.96 : 1,062,991.80 = 430,730.40 : x
  2. Step 2: Convert to fraction form
    770,262.96/1,062,991.80 = 430,730.40/x
  3. Step 3: Cross multiply
    770,262.96x = 1,062,991.80 × 430,730.40
  4. Step 4: Simplify right side
    770,262.96x = 457,862,883,210.72
  5. Step 5: Solve for x
    x = 457,862,883,210.72/770,262.96
  6. Step 6: Final answer
    x = 594,424.12

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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.