Home / 920,397.60-1,380,032.64-358,776

Finding the Fourth Proportional to 920,397.60, 1,380,032.64 and 358,776

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Solution

The fourth proportional to 920,397.60, 1,380,032.64 and 358,776 is: 537,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,397.60 : 1,380,032.64 = 358,776 : x
  2. Step 2: Convert to fraction form
    920,397.60/1,380,032.64 = 358,776/x
  3. Step 3: Cross multiply
    920,397.60x = 1,380,032.64 × 358,776
  4. Step 4: Simplify right side
    920,397.60x = 495,122,590,448.64
  5. Step 5: Solve for x
    x = 495,122,590,448.64/920,397.60
  6. Step 6: Final answer
    x = 537,944.24

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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.