Home / 581,720.93-802,505.44-340,013.69

Finding the Fourth Proportional to 581,720.93, 802,505.44 and 340,013.69

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Solution

The fourth proportional to 581,720.93, 802,505.44 and 340,013.69 is: 469,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,720.93 : 802,505.44 = 340,013.69 : x
  2. Step 2: Convert to fraction form
    581,720.93/802,505.44 = 340,013.69/x
  3. Step 3: Cross multiply
    581,720.93x = 802,505.44 × 340,013.69
  4. Step 4: Simplify right side
    581,720.93x = 272,862,835,899.47
  5. Step 5: Solve for x
    x = 272,862,835,899.47/581,720.93
  6. Step 6: Final answer
    x = 469,061.40

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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.