Home / 762,124.65-1,051,746.45-417,938.77

Finding the Fourth Proportional to 762,124.65, 1,051,746.45 and 417,938.77

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Solution

The fourth proportional to 762,124.65, 1,051,746.45 and 417,938.77 is: 576,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,124.65 : 1,051,746.45 = 417,938.77 : x
  2. Step 2: Convert to fraction form
    762,124.65/1,051,746.45 = 417,938.77/x
  3. Step 3: Cross multiply
    762,124.65x = 1,051,746.45 × 417,938.77
  4. Step 4: Simplify right side
    762,124.65x = 439,565,615,575.17
  5. Step 5: Solve for x
    x = 439,565,615,575.17/762,124.65
  6. Step 6: Final answer
    x = 576,763.41

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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.