Home / 765,085.20-1,153,357.92-713,705.28

Finding the Fourth Proportional to 765,085.20, 1,153,357.92 and 713,705.28

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Solution

The fourth proportional to 765,085.20, 1,153,357.92 and 713,705.28 is: 1,075,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,085.20 : 1,153,357.92 = 713,705.28 : x
  2. Step 2: Convert to fraction form
    765,085.20/1,153,357.92 = 713,705.28/x
  3. Step 3: Cross multiply
    765,085.20x = 1,153,357.92 × 713,705.28
  4. Step 4: Simplify right side
    765,085.20x = 823,157,637,233.82
  5. Step 5: Solve for x
    x = 823,157,637,233.82/765,085.20
  6. Step 6: Final answer
    x = 1,075,903.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.