Home / 779,390.76-1,075,464.41-435,245.81

Finding the Fourth Proportional to 779,390.76, 1,075,464.41 and 435,245.81

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Solution

The fourth proportional to 779,390.76, 1,075,464.41 and 435,245.81 is: 600,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,390.76 : 1,075,464.41 = 435,245.81 : x
  2. Step 2: Convert to fraction form
    779,390.76/1,075,464.41 = 435,245.81/x
  3. Step 3: Cross multiply
    779,390.76x = 1,075,464.41 × 435,245.81
  4. Step 4: Simplify right side
    779,390.76x = 468,091,370,703.07
  5. Step 5: Solve for x
    x = 468,091,370,703.07/779,390.76
  6. Step 6: Final answer
    x = 600,586.25

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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.