Home / 877,470.23-1,316,038.93-427,738.79

Finding the Fourth Proportional to 877,470.23, 1,316,038.93 and 427,738.79

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Solution

The fourth proportional to 877,470.23, 1,316,038.93 and 427,738.79 is: 641,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,470.23 : 1,316,038.93 = 427,738.79 : x
  2. Step 2: Convert to fraction form
    877,470.23/1,316,038.93 = 427,738.79/x
  3. Step 3: Cross multiply
    877,470.23x = 1,316,038.93 × 427,738.79
  4. Step 4: Simplify right side
    877,470.23x = 562,920,901,731.85
  5. Step 5: Solve for x
    x = 562,920,901,731.85/877,470.23
  6. Step 6: Final answer
    x = 641,527.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.