Home / 570,284.16-786,938.72-340,795.76

Finding the Fourth Proportional to 570,284.16, 786,938.72 and 340,795.76

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Solution

The fourth proportional to 570,284.16, 786,938.72 and 340,795.76 is: 470,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,284.16 : 786,938.72 = 340,795.76 : x
  2. Step 2: Convert to fraction form
    570,284.16/786,938.72 = 340,795.76/x
  3. Step 3: Cross multiply
    570,284.16x = 786,938.72 × 340,795.76
  4. Step 4: Simplify right side
    570,284.16x = 268,185,373,517.16
  5. Step 5: Solve for x
    x = 268,185,373,517.16/570,284.16
  6. Step 6: Final answer
    x = 470,266.22

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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.