Home / 742,360.29-1,024,460.01-402,828.54

Finding the Fourth Proportional to 742,360.29, 1,024,460.01 and 402,828.54

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Solution

The fourth proportional to 742,360.29, 1,024,460.01 and 402,828.54 is: 555,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,360.29 : 1,024,460.01 = 402,828.54 : x
  2. Step 2: Convert to fraction form
    742,360.29/1,024,460.01 = 402,828.54/x
  3. Step 3: Cross multiply
    742,360.29x = 1,024,460.01 × 402,828.54
  4. Step 4: Simplify right side
    742,360.29x = 412,681,730,116.69
  5. Step 5: Solve for x
    x = 412,681,730,116.69/742,360.29
  6. Step 6: Final answer
    x = 555,904.91

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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.