Home / 877,877.64-1,211,569.78-495,929.16

Finding the Fourth Proportional to 877,877.64, 1,211,569.78 and 495,929.16

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Solution

The fourth proportional to 877,877.64, 1,211,569.78 and 495,929.16 is: 684,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,877.64 : 1,211,569.78 = 495,929.16 : x
  2. Step 2: Convert to fraction form
    877,877.64/1,211,569.78 = 495,929.16/x
  3. Step 3: Cross multiply
    877,877.64x = 1,211,569.78 × 495,929.16
  4. Step 4: Simplify right side
    877,877.64x = 600,852,783,276.79
  5. Step 5: Solve for x
    x = 600,852,783,276.79/877,877.64
  6. Step 6: Final answer
    x = 684,437.96

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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.