Home / 742,848.45-1,025,114.94-403,316.70

Finding the Fourth Proportional to 742,848.45, 1,025,114.94 and 403,316.70

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Solution

The fourth proportional to 742,848.45, 1,025,114.94 and 403,316.70 is: 556,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,848.45 : 1,025,114.94 = 403,316.70 : x
  2. Step 2: Convert to fraction form
    742,848.45/1,025,114.94 = 403,316.70/x
  3. Step 3: Cross multiply
    742,848.45x = 1,025,114.94 × 403,316.70
  4. Step 4: Simplify right side
    742,848.45x = 413,445,974,721.50
  5. Step 5: Solve for x
    x = 413,445,974,721.50/742,848.45
  6. Step 6: Final answer
    x = 556,568.40

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Double scale
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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.