Home / 808,854.54-1,208,543.64-780,567.21

Finding the Fourth Proportional to 808,854.54, 1,208,543.64 and 780,567.21

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Solution

The fourth proportional to 808,854.54, 1,208,543.64 and 780,567.21 is: 1,166,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,854.54 : 1,208,543.64 = 780,567.21 : x
  2. Step 2: Convert to fraction form
    808,854.54/1,208,543.64 = 780,567.21/x
  3. Step 3: Cross multiply
    808,854.54x = 1,208,543.64 × 780,567.21
  4. Step 4: Simplify right side
    808,854.54x = 943,349,537,238.04
  5. Step 5: Solve for x
    x = 943,349,537,238.04/808,854.54
  6. Step 6: Final answer
    x = 1,166,278.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.