Home / 833,139.60-1,249,417.80-433,647.60

Finding the Fourth Proportional to 833,139.60, 1,249,417.80 and 433,647.60

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Solution

The fourth proportional to 833,139.60, 1,249,417.80 and 433,647.60 is: 650,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,139.60 : 1,249,417.80 = 433,647.60 : x
  2. Step 2: Convert to fraction form
    833,139.60/1,249,417.80 = 433,647.60/x
  3. Step 3: Cross multiply
    833,139.60x = 1,249,417.80 × 433,647.60
  4. Step 4: Simplify right side
    833,139.60x = 541,807,030,367.28
  5. Step 5: Solve for x
    x = 541,807,030,367.28/833,139.60
  6. Step 6: Final answer
    x = 650,319.62

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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.