Home / 581,921.34-802,931.05-340,157.13

Finding the Fourth Proportional to 581,921.34, 802,931.05 and 340,157.13

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Solution

The fourth proportional to 581,921.34, 802,931.05 and 340,157.13 is: 469,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,921.34 : 802,931.05 = 340,157.13 : x
  2. Step 2: Convert to fraction form
    581,921.34/802,931.05 = 340,157.13/x
  3. Step 3: Cross multiply
    581,921.34x = 802,931.05 × 340,157.13
  4. Step 4: Simplify right side
    581,921.34x = 273,122,721,555.89
  5. Step 5: Solve for x
    x = 273,122,721,555.89/581,921.34
  6. Step 6: Final answer
    x = 469,346.46

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Double scale
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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.