Home / 772,241.51-1,064,511.95-542,153.31

Finding the Fourth Proportional to 772,241.51, 1,064,511.95 and 542,153.31

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Solution

The fourth proportional to 772,241.51, 1,064,511.95 and 542,153.31 is: 747,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,241.51 : 1,064,511.95 = 542,153.31 : x
  2. Step 2: Convert to fraction form
    772,241.51/1,064,511.95 = 542,153.31/x
  3. Step 3: Cross multiply
    772,241.51x = 1,064,511.95 × 542,153.31
  4. Step 4: Simplify right side
    772,241.51x = 577,128,674,516.29
  5. Step 5: Solve for x
    x = 577,128,674,516.29/772,241.51
  6. Step 6: Final answer
    x = 747,342.21

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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.