Home / 761,056.02-1,141,637.27-305,647.28

Finding the Fourth Proportional to 761,056.02, 1,141,637.27 and 305,647.28

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Solution

The fourth proportional to 761,056.02, 1,141,637.27 and 305,647.28 is: 458,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,056.02 : 1,141,637.27 = 305,647.28 : x
  2. Step 2: Convert to fraction form
    761,056.02/1,141,637.27 = 305,647.28/x
  3. Step 3: Cross multiply
    761,056.02x = 1,141,637.27 × 305,647.28
  4. Step 4: Simplify right side
    761,056.02x = 348,938,326,322.13
  5. Step 5: Solve for x
    x = 348,938,326,322.13/761,056.02
  6. Step 6: Final answer
    x = 458,492.30

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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.