Home / 778,154.81-1,073,827.18-429,309.17

Finding the Fourth Proportional to 778,154.81, 1,073,827.18 and 429,309.17

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Solution

The fourth proportional to 778,154.81, 1,073,827.18 and 429,309.17 is: 592,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,154.81 : 1,073,827.18 = 429,309.17 : x
  2. Step 2: Convert to fraction form
    778,154.81/1,073,827.18 = 429,309.17/x
  3. Step 3: Cross multiply
    778,154.81x = 1,073,827.18 × 429,309.17
  4. Step 4: Simplify right side
    778,154.81x = 461,003,848,926.83
  5. Step 5: Solve for x
    x = 461,003,848,926.83/778,154.81
  6. Step 6: Final answer
    x = 592,432.05

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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.