Home / 779,545.60-1,168,972.80-358,950.40

Finding the Fourth Proportional to 779,545.60, 1,168,972.80 and 358,950.40

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Solution

The fourth proportional to 779,545.60, 1,168,972.80 and 358,950.40 is: 538,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,545.60 : 1,168,972.80 = 358,950.40 : x
  2. Step 2: Convert to fraction form
    779,545.60/1,168,972.80 = 358,950.40/x
  3. Step 3: Cross multiply
    779,545.60x = 1,168,972.80 × 358,950.40
  4. Step 4: Simplify right side
    779,545.60x = 419,603,254,149.12
  5. Step 5: Solve for x
    x = 419,603,254,149.12/779,545.60
  6. Step 6: Final answer
    x = 538,266.46

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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.