Home / 761,473.01-1,050,699.53-434,636.80

Finding the Fourth Proportional to 761,473.01, 1,050,699.53 and 434,636.80

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Solution

The fourth proportional to 761,473.01, 1,050,699.53 and 434,636.80 is: 599,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,473.01 : 1,050,699.53 = 434,636.80 : x
  2. Step 2: Convert to fraction form
    761,473.01/1,050,699.53 = 434,636.80/x
  3. Step 3: Cross multiply
    761,473.01x = 1,050,699.53 × 434,636.80
  4. Step 4: Simplify right side
    761,473.01x = 456,672,679,940.55
  5. Step 5: Solve for x
    x = 456,672,679,940.55/761,473.01
  6. Step 6: Final answer
    x = 599,722.74

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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.