Home / 909,931.24-1,255,709.60-502,033.08

Finding the Fourth Proportional to 909,931.24, 1,255,709.60 and 502,033.08

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Solution

The fourth proportional to 909,931.24, 1,255,709.60 and 502,033.08 is: 692,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,931.24 : 1,255,709.60 = 502,033.08 : x
  2. Step 2: Convert to fraction form
    909,931.24/1,255,709.60 = 502,033.08/x
  3. Step 3: Cross multiply
    909,931.24x = 1,255,709.60 × 502,033.08
  4. Step 4: Simplify right side
    909,931.24x = 630,407,758,073.57
  5. Step 5: Solve for x
    x = 630,407,758,073.57/909,931.24
  6. Step 6: Final answer
    x = 692,808.13

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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.