Home / 833,038.60-1,249,299.08-300,490.42

Finding the Fourth Proportional to 833,038.60, 1,249,299.08 and 300,490.42

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Solution

The fourth proportional to 833,038.60, 1,249,299.08 and 300,490.42 is: 450,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,038.60 : 1,249,299.08 = 300,490.42 : x
  2. Step 2: Convert to fraction form
    833,038.60/1,249,299.08 = 300,490.42/x
  3. Step 3: Cross multiply
    833,038.60x = 1,249,299.08 × 300,490.42
  4. Step 4: Simplify right side
    833,038.60x = 375,402,405,254.81
  5. Step 5: Solve for x
    x = 375,402,405,254.81/833,038.60
  6. Step 6: Final answer
    x = 450,642.27

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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.