Home / 760,008.96-1,139,645.28-310,551.36

Finding the Fourth Proportional to 760,008.96, 1,139,645.28 and 310,551.36

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Solution

The fourth proportional to 760,008.96, 1,139,645.28 and 310,551.36 is: 465,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,008.96 : 1,139,645.28 = 310,551.36 : x
  2. Step 2: Convert to fraction form
    760,008.96/1,139,645.28 = 310,551.36/x
  3. Step 3: Cross multiply
    760,008.96x = 1,139,645.28 × 310,551.36
  4. Step 4: Simplify right side
    760,008.96x = 353,918,391,621.58
  5. Step 5: Solve for x
    x = 353,918,391,621.58/760,008.96
  6. Step 6: Final answer
    x = 465,676.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.