Home / 761,354.56-1,142,548.62-406,623.16

Finding the Fourth Proportional to 761,354.56, 1,142,548.62 and 406,623.16

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Solution

The fourth proportional to 761,354.56, 1,142,548.62 and 406,623.16 is: 610,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,354.56 : 1,142,548.62 = 406,623.16 : x
  2. Step 2: Convert to fraction form
    761,354.56/1,142,548.62 = 406,623.16/x
  3. Step 3: Cross multiply
    761,354.56x = 1,142,548.62 × 406,623.16
  4. Step 4: Simplify right side
    761,354.56x = 464,586,730,318.04
  5. Step 5: Solve for x
    x = 464,586,730,318.04/761,354.56
  6. Step 6: Final answer
    x = 610,210.74

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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.