Home / 802,196.40-1,106,890.68-457,875.12

Finding the Fourth Proportional to 802,196.40, 1,106,890.68 and 457,875.12

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Solution

The fourth proportional to 802,196.40, 1,106,890.68 and 457,875.12 is: 631,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,196.40 : 1,106,890.68 = 457,875.12 : x
  2. Step 2: Convert to fraction form
    802,196.40/1,106,890.68 = 457,875.12/x
  3. Step 3: Cross multiply
    802,196.40x = 1,106,890.68 × 457,875.12
  4. Step 4: Simplify right side
    802,196.40x = 506,817,702,931.88
  5. Step 5: Solve for x
    x = 506,817,702,931.88/802,196.40
  6. Step 6: Final answer
    x = 631,787.56

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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.