Home / 854,248.16-1,178,756.88-472,282.40

Finding the Fourth Proportional to 854,248.16, 1,178,756.88 and 472,282.40

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Solution

The fourth proportional to 854,248.16, 1,178,756.88 and 472,282.40 is: 651,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,248.16 : 1,178,756.88 = 472,282.40 : x
  2. Step 2: Convert to fraction form
    854,248.16/1,178,756.88 = 472,282.40/x
  3. Step 3: Cross multiply
    854,248.16x = 1,178,756.88 × 472,282.40
  4. Step 4: Simplify right side
    854,248.16x = 556,706,128,302.91
  5. Step 5: Solve for x
    x = 556,706,128,302.91/854,248.16
  6. Step 6: Final answer
    x = 651,691.34

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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.