Home / 764,477.90-1,054,916.72-450,099.77

Finding the Fourth Proportional to 764,477.90, 1,054,916.72 and 450,099.77

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Solution

The fourth proportional to 764,477.90, 1,054,916.72 and 450,099.77 is: 621,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,477.90 : 1,054,916.72 = 450,099.77 : x
  2. Step 2: Convert to fraction form
    764,477.90/1,054,916.72 = 450,099.77/x
  3. Step 3: Cross multiply
    764,477.90x = 1,054,916.72 × 450,099.77
  4. Step 4: Simplify right side
    764,477.90x = 474,817,773,427.95
  5. Step 5: Solve for x
    x = 474,817,773,427.95/764,477.90
  6. Step 6: Final answer
    x = 621,100.72

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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.