Home / 970,688.40-1,455,643.80-339,277.20

Finding the Fourth Proportional to 970,688.40, 1,455,643.80 and 339,277.20

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Solution

The fourth proportional to 970,688.40, 1,455,643.80 and 339,277.20 is: 508,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,688.40 : 1,455,643.80 = 339,277.20 : x
  2. Step 2: Convert to fraction form
    970,688.40/1,455,643.80 = 339,277.20/x
  3. Step 3: Cross multiply
    970,688.40x = 1,455,643.80 × 339,277.20
  4. Step 4: Simplify right side
    970,688.40x = 493,866,752,661.36
  5. Step 5: Solve for x
    x = 493,866,752,661.36/970,688.40
  6. Step 6: Final answer
    x = 508,779.91

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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.