Home / 734,417.72-1,013,442.56-407,749.63

Finding the Fourth Proportional to 734,417.72, 1,013,442.56 and 407,749.63

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Solution

The fourth proportional to 734,417.72, 1,013,442.56 and 407,749.63 is: 562,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,417.72 : 1,013,442.56 = 407,749.63 : x
  2. Step 2: Convert to fraction form
    734,417.72/1,013,442.56 = 407,749.63/x
  3. Step 3: Cross multiply
    734,417.72x = 1,013,442.56 × 407,749.63
  4. Step 4: Simplify right side
    734,417.72x = 413,230,830,016.76
  5. Step 5: Solve for x
    x = 413,230,830,016.76/734,417.72
  6. Step 6: Final answer
    x = 562,664.57

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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.