Home / 761,493.10-1,141,944.38-406,313.36

Finding the Fourth Proportional to 761,493.10, 1,141,944.38 and 406,313.36

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Solution

The fourth proportional to 761,493.10, 1,141,944.38 and 406,313.36 is: 609,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,493.10 : 1,141,944.38 = 406,313.36 : x
  2. Step 2: Convert to fraction form
    761,493.10/1,141,944.38 = 406,313.36/x
  3. Step 3: Cross multiply
    761,493.10x = 1,141,944.38 × 406,313.36
  4. Step 4: Simplify right side
    761,493.10x = 463,987,262,459.03
  5. Step 5: Solve for x
    x = 463,987,262,459.03/761,493.10
  6. Step 6: Final answer
    x = 609,312.50

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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.