Home / 760,835.04-1,049,984.02-421,303.30

Finding the Fourth Proportional to 760,835.04, 1,049,984.02 and 421,303.30

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Solution

The fourth proportional to 760,835.04, 1,049,984.02 and 421,303.30 is: 581,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,835.04 : 1,049,984.02 = 421,303.30 : x
  2. Step 2: Convert to fraction form
    760,835.04/1,049,984.02 = 421,303.30/x
  3. Step 3: Cross multiply
    760,835.04x = 1,049,984.02 × 421,303.30
  4. Step 4: Simplify right side
    760,835.04x = 442,361,732,573.27
  5. Step 5: Solve for x
    x = 442,361,732,573.27/760,835.04
  6. Step 6: Final answer
    x = 581,416.09

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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.