Home / 570,890.59-787,795.16-312,715.93

Finding the Fourth Proportional to 570,890.59, 787,795.16 and 312,715.93

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Solution

The fourth proportional to 570,890.59, 787,795.16 and 312,715.93 is: 431,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,890.59 : 787,795.16 = 312,715.93 : x
  2. Step 2: Convert to fraction form
    570,890.59/787,795.16 = 312,715.93/x
  3. Step 3: Cross multiply
    570,890.59x = 787,795.16 × 312,715.93
  4. Step 4: Simplify right side
    570,890.59x = 246,356,094,545.32
  5. Step 5: Solve for x
    x = 246,356,094,545.32/570,890.59
  6. Step 6: Final answer
    x = 431,529.44

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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.