Home / 675,870.14-1,012,685.63-475,210.16

Finding the Fourth Proportional to 675,870.14, 1,012,685.63 and 475,210.16

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Solution

The fourth proportional to 675,870.14, 1,012,685.63 and 475,210.16 is: 712,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,870.14 : 1,012,685.63 = 475,210.16 : x
  2. Step 2: Convert to fraction form
    675,870.14/1,012,685.63 = 475,210.16/x
  3. Step 3: Cross multiply
    675,870.14x = 1,012,685.63 × 475,210.16
  4. Step 4: Simplify right side
    675,870.14x = 481,238,492,822.52
  5. Step 5: Solve for x
    x = 481,238,492,822.52/675,870.14
  6. Step 6: Final answer
    x = 712,028.05

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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.