Home / 779,623.31-1,075,868.81-435,464.13

Finding the Fourth Proportional to 779,623.31, 1,075,868.81 and 435,464.13

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Solution

The fourth proportional to 779,623.31, 1,075,868.81 and 435,464.13 is: 600,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,623.31 : 1,075,868.81 = 435,464.13 : x
  2. Step 2: Convert to fraction form
    779,623.31/1,075,868.81 = 435,464.13/x
  3. Step 3: Cross multiply
    779,623.31x = 1,075,868.81 × 435,464.13
  4. Step 4: Simplify right side
    779,623.31x = 468,502,273,163.47
  5. Step 5: Solve for x
    x = 468,502,273,163.47/779,623.31
  6. Step 6: Final answer
    x = 600,934.16

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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.