Home / 634,460.96-875,569.74-347,980.34

Finding the Fourth Proportional to 634,460.96, 875,569.74 and 347,980.34

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Solution

The fourth proportional to 634,460.96, 875,569.74 and 347,980.34 is: 480,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,460.96 : 875,569.74 = 347,980.34 : x
  2. Step 2: Convert to fraction form
    634,460.96/875,569.74 = 347,980.34/x
  3. Step 3: Cross multiply
    634,460.96x = 875,569.74 × 347,980.34
  4. Step 4: Simplify right side
    634,460.96x = 304,681,055,818.91
  5. Step 5: Solve for x
    x = 304,681,055,818.91/634,460.96
  6. Step 6: Final answer
    x = 480,220.34

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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.