Home / 559,244.71-771,512.07-377,890.50

Finding the Fourth Proportional to 559,244.71, 771,512.07 and 377,890.50

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Solution

The fourth proportional to 559,244.71, 771,512.07 and 377,890.50 is: 521,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,244.71 : 771,512.07 = 377,890.50 : x
  2. Step 2: Convert to fraction form
    559,244.71/771,512.07 = 377,890.50/x
  3. Step 3: Cross multiply
    559,244.71x = 771,512.07 × 377,890.50
  4. Step 4: Simplify right side
    559,244.71x = 291,547,081,888.34
  5. Step 5: Solve for x
    x = 291,547,081,888.34/559,244.71
  6. Step 6: Final answer
    x = 521,322.91

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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.