Home / 779,529.60-1,168,948.80-358,934.40

Finding the Fourth Proportional to 779,529.60, 1,168,948.80 and 358,934.40

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Solution

The fourth proportional to 779,529.60, 1,168,948.80 and 358,934.40 is: 538,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,529.60 : 1,168,948.80 = 358,934.40 : x
  2. Step 2: Convert to fraction form
    779,529.60/1,168,948.80 = 358,934.40/x
  3. Step 3: Cross multiply
    779,529.60x = 1,168,948.80 × 358,934.40
  4. Step 4: Simplify right side
    779,529.60x = 419,575,936,158.72
  5. Step 5: Solve for x
    x = 419,575,936,158.72/779,529.60
  6. Step 6: Final answer
    x = 538,242.47

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1.5x scale

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.