Home / 673,429.60-1,011,310.80-358,501.60

Finding the Fourth Proportional to 673,429.60, 1,011,310.80 and 358,501.60

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Solution

The fourth proportional to 673,429.60, 1,011,310.80 and 358,501.60 is: 538,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,429.60 : 1,011,310.80 = 358,501.60 : x
  2. Step 2: Convert to fraction form
    673,429.60/1,011,310.80 = 358,501.60/x
  3. Step 3: Cross multiply
    673,429.60x = 1,011,310.80 × 358,501.60
  4. Step 4: Simplify right side
    673,429.60x = 362,556,539,897.28
  5. Step 5: Solve for x
    x = 362,556,539,897.28/673,429.60
  6. Step 6: Final answer
    x = 538,373.34

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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.