Home / 779,705.87-1,075,879.58-435,499.38

Finding the Fourth Proportional to 779,705.87, 1,075,879.58 and 435,499.38

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Solution

The fourth proportional to 779,705.87, 1,075,879.58 and 435,499.38 is: 600,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,705.87 : 1,075,879.58 = 435,499.38 : x
  2. Step 2: Convert to fraction form
    779,705.87/1,075,879.58 = 435,499.38/x
  3. Step 3: Cross multiply
    779,705.87x = 1,075,879.58 × 435,499.38
  4. Step 4: Simplify right side
    779,705.87x = 468,544,887,867.16
  5. Step 5: Solve for x
    x = 468,544,887,867.16/779,705.87
  6. Step 6: Final answer
    x = 600,925.18

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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.