Home / 779,329.92-1,075,475.52-439,870.08

Finding the Fourth Proportional to 779,329.92, 1,075,475.52 and 439,870.08

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Solution

The fourth proportional to 779,329.92, 1,075,475.52 and 439,870.08 is: 607,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,329.92 : 1,075,475.52 = 439,870.08 : x
  2. Step 2: Convert to fraction form
    779,329.92/1,075,475.52 = 439,870.08/x
  3. Step 3: Cross multiply
    779,329.92x = 1,075,475.52 × 439,870.08
  4. Step 4: Simplify right side
    779,329.92x = 473,069,503,020.44
  5. Step 5: Solve for x
    x = 473,069,503,020.44/779,329.92
  6. Step 6: Final answer
    x = 607,020.84

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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.