Home / 772,241.50-1,064,511.95-542,153.30

Finding the Fourth Proportional to 772,241.50, 1,064,511.95 and 542,153.30

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Solution

The fourth proportional to 772,241.50, 1,064,511.95 and 542,153.30 is: 747,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,241.50 : 1,064,511.95 = 542,153.30 : x
  2. Step 2: Convert to fraction form
    772,241.50/1,064,511.95 = 542,153.30/x
  3. Step 3: Cross multiply
    772,241.50x = 1,064,511.95 × 542,153.30
  4. Step 4: Simplify right side
    772,241.50x = 577,128,666,532.45
  5. Step 5: Solve for x
    x = 577,128,666,532.45/772,241.50
  6. Step 6: Final answer
    x = 747,342.21

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Double scale
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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.