Home / 742,607.58-1,024,771.02-403,068.54

Finding the Fourth Proportional to 742,607.58, 1,024,771.02 and 403,068.54

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Solution

The fourth proportional to 742,607.58, 1,024,771.02 and 403,068.54 is: 556,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,607.58 : 1,024,771.02 = 403,068.54 : x
  2. Step 2: Convert to fraction form
    742,607.58/1,024,771.02 = 403,068.54/x
  3. Step 3: Cross multiply
    742,607.58x = 1,024,771.02 × 403,068.54
  4. Step 4: Simplify right side
    742,607.58x = 413,052,958,865.71
  5. Step 5: Solve for x
    x = 413,052,958,865.71/742,607.58
  6. Step 6: Final answer
    x = 556,219.69

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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.