Home / 761,410.24-1,050,746.13-421,878.49

Finding the Fourth Proportional to 761,410.24, 1,050,746.13 and 421,878.49

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Solution

The fourth proportional to 761,410.24, 1,050,746.13 and 421,878.49 is: 582,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,410.24 : 1,050,746.13 = 421,878.49 : x
  2. Step 2: Convert to fraction form
    761,410.24/1,050,746.13 = 421,878.49/x
  3. Step 3: Cross multiply
    761,410.24x = 1,050,746.13 × 421,878.49
  4. Step 4: Simplify right side
    761,410.24x = 443,287,190,697.74
  5. Step 5: Solve for x
    x = 443,287,190,697.74/761,410.24
  6. Step 6: Final answer
    x = 582,192.32

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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.