Home / 870,807.17-1,201,890.73-503,299.93

Finding the Fourth Proportional to 870,807.17, 1,201,890.73 and 503,299.93

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Solution

The fourth proportional to 870,807.17, 1,201,890.73 and 503,299.93 is: 694,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,807.17 : 1,201,890.73 = 503,299.93 : x
  2. Step 2: Convert to fraction form
    870,807.17/1,201,890.73 = 503,299.93/x
  3. Step 3: Cross multiply
    870,807.17x = 1,201,890.73 × 503,299.93
  4. Step 4: Simplify right side
    870,807.17x = 604,911,520,276.65
  5. Step 5: Solve for x
    x = 604,911,520,276.65/870,807.17
  6. Step 6: Final answer
    x = 694,656.11

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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.