Home / 931,315.74-1,285,530.39-605,075.10

Finding the Fourth Proportional to 931,315.74, 1,285,530.39 and 605,075.10

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Solution

The fourth proportional to 931,315.74, 1,285,530.39 and 605,075.10 is: 835,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,315.74 : 1,285,530.39 = 605,075.10 : x
  2. Step 2: Convert to fraction form
    931,315.74/1,285,530.39 = 605,075.10/x
  3. Step 3: Cross multiply
    931,315.74x = 1,285,530.39 × 605,075.10
  4. Step 4: Simplify right side
    931,315.74x = 777,842,429,282.29
  5. Step 5: Solve for x
    x = 777,842,429,282.29/931,315.74
  6. Step 6: Final answer
    x = 835,208.08

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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.