Home / 742,433.19-1,024,557.78-402,901.44

Finding the Fourth Proportional to 742,433.19, 1,024,557.78 and 402,901.44

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Solution

The fourth proportional to 742,433.19, 1,024,557.78 and 402,901.44 is: 556,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,433.19 : 1,024,557.78 = 402,901.44 : x
  2. Step 2: Convert to fraction form
    742,433.19/1,024,557.78 = 402,901.44/x
  3. Step 3: Cross multiply
    742,433.19x = 1,024,557.78 × 402,901.44
  4. Step 4: Simplify right side
    742,433.19x = 412,795,804,925.20
  5. Step 5: Solve for x
    x = 412,795,804,925.20/742,433.19
  6. Step 6: Final answer
    x = 556,003.98

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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.