Home / 936,029.55-1,402,916.40-429,892.14

Finding the Fourth Proportional to 936,029.55, 1,402,916.40 and 429,892.14

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Solution

The fourth proportional to 936,029.55, 1,402,916.40 and 429,892.14 is: 644,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,029.55 : 1,402,916.40 = 429,892.14 : x
  2. Step 2: Convert to fraction form
    936,029.55/1,402,916.40 = 429,892.14/x
  3. Step 3: Cross multiply
    936,029.55x = 1,402,916.40 × 429,892.14
  4. Step 4: Simplify right side
    936,029.55x = 603,102,733,437.10
  5. Step 5: Solve for x
    x = 603,102,733,437.10/936,029.55
  6. Step 6: Final answer
    x = 644,320.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.