Home / 779,701.54-1,075,997.10-457,417.12

Finding the Fourth Proportional to 779,701.54, 1,075,997.10 and 457,417.12

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Solution

The fourth proportional to 779,701.54, 1,075,997.10 and 457,417.12 is: 631,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,701.54 : 1,075,997.10 = 457,417.12 : x
  2. Step 2: Convert to fraction form
    779,701.54/1,075,997.10 = 457,417.12/x
  3. Step 3: Cross multiply
    779,701.54x = 1,075,997.10 × 457,417.12
  4. Step 4: Simplify right side
    779,701.54x = 492,179,494,610.35
  5. Step 5: Solve for x
    x = 492,179,494,610.35/779,701.54
  6. Step 6: Final answer
    x = 631,240.89

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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.