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Finding the Fourth Proportional to 650,038.07, 897,077.07 and 355,707.59

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Solution

The fourth proportional to 650,038.07, 897,077.07 and 355,707.59 is: 490,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,038.07 : 897,077.07 = 355,707.59 : x
  2. Step 2: Convert to fraction form
    650,038.07/897,077.07 = 355,707.59/x
  3. Step 3: Cross multiply
    650,038.07x = 897,077.07 × 355,707.59
  4. Step 4: Simplify right side
    650,038.07x = 319,097,118,128.58
  5. Step 5: Solve for x
    x = 319,097,118,128.58/650,038.07
  6. Step 6: Final answer
    x = 490,889.90

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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.