Home / 997,130.78-1,495,726.55-389,894.86

Finding the Fourth Proportional to 997,130.78, 1,495,726.55 and 389,894.86

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Solution

The fourth proportional to 997,130.78, 1,495,726.55 and 389,894.86 is: 584,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,130.78 : 1,495,726.55 = 389,894.86 : x
  2. Step 2: Convert to fraction form
    997,130.78/1,495,726.55 = 389,894.86/x
  3. Step 3: Cross multiply
    997,130.78x = 1,495,726.55 × 389,894.86
  4. Step 4: Simplify right side
    997,130.78x = 583,176,088,860.31
  5. Step 5: Solve for x
    x = 583,176,088,860.31/997,130.78
  6. Step 6: Final answer
    x = 584,854.16

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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.