Home / 970,291.20-1,455,436.80-653,030.40

Finding the Fourth Proportional to 970,291.20, 1,455,436.80 and 653,030.40

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Solution

The fourth proportional to 970,291.20, 1,455,436.80 and 653,030.40 is: 979,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,291.20 : 1,455,436.80 = 653,030.40 : x
  2. Step 2: Convert to fraction form
    970,291.20/1,455,436.80 = 653,030.40/x
  3. Step 3: Cross multiply
    970,291.20x = 1,455,436.80 × 653,030.40
  4. Step 4: Simplify right side
    970,291.20x = 950,444,475,678.72
  5. Step 5: Solve for x
    x = 950,444,475,678.72/970,291.20
  6. Step 6: Final answer
    x = 979,545.60

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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.