Home / 816,015.47-1,125,752.13-509,559.84

Finding the Fourth Proportional to 816,015.47, 1,125,752.13 and 509,559.84

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Solution

The fourth proportional to 816,015.47, 1,125,752.13 and 509,559.84 is: 702,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,015.47 : 1,125,752.13 = 509,559.84 : x
  2. Step 2: Convert to fraction form
    816,015.47/1,125,752.13 = 509,559.84/x
  3. Step 3: Cross multiply
    816,015.47x = 1,125,752.13 × 509,559.84
  4. Step 4: Simplify right side
    816,015.47x = 573,638,075,242.46
  5. Step 5: Solve for x
    x = 573,638,075,242.46/816,015.47
  6. Step 6: Final answer
    x = 702,974.51

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Double scale
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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.