Home / 770,222.40-1,062,935.91-430,689.84

Finding the Fourth Proportional to 770,222.40, 1,062,935.91 and 430,689.84

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Solution

The fourth proportional to 770,222.40, 1,062,935.91 and 430,689.84 is: 594,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,222.40 : 1,062,935.91 = 430,689.84 : x
  2. Step 2: Convert to fraction form
    770,222.40/1,062,935.91 = 430,689.84/x
  3. Step 3: Cross multiply
    770,222.40x = 1,062,935.91 × 430,689.84
  4. Step 4: Simplify right side
    770,222.40x = 457,795,697,008.15
  5. Step 5: Solve for x
    x = 457,795,697,008.15/770,222.40
  6. Step 6: Final answer
    x = 594,368.19

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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.