Home / 910,155.81-1,256,013.93-502,257.45

Finding the Fourth Proportional to 910,155.81, 1,256,013.93 and 502,257.45

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Solution

The fourth proportional to 910,155.81, 1,256,013.93 and 502,257.45 is: 693,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,155.81 : 1,256,013.93 = 502,257.45 : x
  2. Step 2: Convert to fraction form
    910,155.81/1,256,013.93 = 502,257.45/x
  3. Step 3: Cross multiply
    910,155.81x = 1,256,013.93 × 502,257.45
  4. Step 4: Simplify right side
    910,155.81x = 630,842,353,646.28
  5. Step 5: Solve for x
    x = 630,842,353,646.28/910,155.81
  6. Step 6: Final answer
    x = 693,114.68

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