Home / 972,641.58-1,342,008.99-570,155.82

Finding the Fourth Proportional to 972,641.58, 1,342,008.99 and 570,155.82

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Solution

The fourth proportional to 972,641.58, 1,342,008.99 and 570,155.82 is: 786,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,641.58 : 1,342,008.99 = 570,155.82 : x
  2. Step 2: Convert to fraction form
    972,641.58/1,342,008.99 = 570,155.82/x
  3. Step 3: Cross multiply
    972,641.58x = 1,342,008.99 × 570,155.82
  4. Step 4: Simplify right side
    972,641.58x = 765,154,236,140.82
  5. Step 5: Solve for x
    x = 765,154,236,140.82/972,641.58
  6. Step 6: Final answer
    x = 786,676.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.