Home / 880,931.04-1,215,652.34-478,514.40

Finding the Fourth Proportional to 880,931.04, 1,215,652.34 and 478,514.40

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Solution

The fourth proportional to 880,931.04, 1,215,652.34 and 478,514.40 is: 660,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,931.04 : 1,215,652.34 = 478,514.40 : x
  2. Step 2: Convert to fraction form
    880,931.04/1,215,652.34 = 478,514.40/x
  3. Step 3: Cross multiply
    880,931.04x = 1,215,652.34 × 478,514.40
  4. Step 4: Simplify right side
    880,931.04x = 581,707,150,083.70
  5. Step 5: Solve for x
    x = 581,707,150,083.70/880,931.04
  6. Step 6: Final answer
    x = 660,332.22

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1.5x scale

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.