Home / 903,973.40-1,355,916.90-304,875.80

Finding the Fourth Proportional to 903,973.40, 1,355,916.90 and 304,875.80

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Solution

The fourth proportional to 903,973.40, 1,355,916.90 and 304,875.80 is: 457,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,973.40 : 1,355,916.90 = 304,875.80 : x
  2. Step 2: Convert to fraction form
    903,973.40/1,355,916.90 = 304,875.80/x
  3. Step 3: Cross multiply
    903,973.40x = 1,355,916.90 × 304,875.80
  4. Step 4: Simplify right side
    903,973.40x = 413,386,249,621.02
  5. Step 5: Solve for x
    x = 413,386,249,621.02/903,973.40
  6. Step 6: Final answer
    x = 457,299.13

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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.