Home / 570,281.81-786,935.57-340,793.55

Finding the Fourth Proportional to 570,281.81, 786,935.57 and 340,793.55

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Solution

The fourth proportional to 570,281.81, 786,935.57 and 340,793.55 is: 470,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,281.81 : 786,935.57 = 340,793.55 : x
  2. Step 2: Convert to fraction form
    570,281.81/786,935.57 = 340,793.55/x
  3. Step 3: Cross multiply
    570,281.81x = 786,935.57 × 340,793.55
  4. Step 4: Simplify right side
    570,281.81x = 268,182,564,817.61
  5. Step 5: Solve for x
    x = 268,182,564,817.61/570,281.81
  6. Step 6: Final answer
    x = 470,263.23

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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.