Home / 761,494.10-1,141,945.88-406,314.36

Finding the Fourth Proportional to 761,494.10, 1,141,945.88 and 406,314.36

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Solution

The fourth proportional to 761,494.10, 1,141,945.88 and 406,314.36 is: 609,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,494.10 : 1,141,945.88 = 406,314.36 : x
  2. Step 2: Convert to fraction form
    761,494.10/1,141,945.88 = 406,314.36/x
  3. Step 3: Cross multiply
    761,494.10x = 1,141,945.88 × 406,314.36
  4. Step 4: Simplify right side
    761,494.10x = 463,989,009,386.84
  5. Step 5: Solve for x
    x = 463,989,009,386.84/761,494.10
  6. Step 6: Final answer
    x = 609,313.99

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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.